Learn how to limit the risk of exposure tosulfuric acid in the workplace with the correct use of PPE (personal protective equipment),here. The Safety Data Sheet (SDS) for Hydrochloric Acid is located in the Laboratory Safety Manual in Building, Room. Once you've safely neutralized the sodium hydroxide, you can pour it down the drain. If you are going to be working with sulfuric acid, consider buying a3M acid respirator, onlinehere. Sign up for wikiHow's weekly email newsletter. Gregory Cade, JD. Sulfuric acid has been disposed of by being placed in sealed containers and by being absorbed in vermiculite, dry sand, or earth. It can causesevere skin burns, can irritate the nose and throat and cause difficulties breathing if inhaled, can burn the eyes and possibly cause blindness, and can burn holes in the stomach if swallowed. To be considered neutral, a chemical must have a pH of 7. Avoid generating mixed wastes as much as possible. In its diluted form, sulfuric acid is sewer and septic safe. If laboratory personnel have difficulties using the EHS Assistant program please contact Environmental Health and Safety at safety@uchicago.edu . Sulfuric acid is listed as a toxic substance. Remove the strip and compare the color to the pH chart supplied with the strips. Every individual working with Hydrofluoric Acid must be provided proper safety training by EH&S prior to starting the work with HF. Keep all containers of ULM closed at all . Find out how sulfuric acid is used to produce other chemicals, as an industrial cleaning agent to remove oxidation, rust, and scaling from metals,here. Steps to Take In Case of an Accident. Prevent the spread of dusts and vapors. If neutralizing agent is not available, cover the area with sand or earth to absorb the liquid and shovel . In the lab it is used in many common fixatives for histology applications. OSHA suggests that PPE such as face shield protection should beused as a last resort, as an engineering solution is preferred when working with sulfuric acid. Whether you need protection against light-duty chemicals, acids, and particulates or from more aggressive chemicals, acids, and caustics, theChemSplash product linesare fit for the job. Get medical attention immediately. Buy a Full Face Respirator from America Safety Associates (ADS),here. We have a winner! If possible, eliminate it from your inventory by purchasing premixed stains or a 1% solution for using in stain preparation. The byproducts include sodium sulfate salt, which is non-hazardous and can be swept away with a broom. If chemical emits strong odors, tag . Chemical splash aprons and sleeves are also offered to enhance safety and to decrease exposure areas on the body if a coverall is not worn. It is important to dispose of acids with very low pH (<2) safely. The corrosiveness of sulfuric acid solutions is highly dependent onconcentration, acid impurities andtemperature. In reality, sodium hydroxide is a very difficult chemical o handle. Check if the chemical is p-listed. Yes, the derived from rule is that stringent. Wipe the shallow dish with a wet, disposable paper towel, and discard the paper towel in the regular trash. Face Shields: Clean-up crews and people handling open containers of sulfuric acid would be well-served to wear both a breathable mask and face shield. Immediately report leaks, spillsor failures of the safety equipment (e.g. Before disposal, exposed parts of the body should be covered including eyes, face, hands, and clothes. We have also determined which would be the best choice of chemical to use. Any substance from a laboratory should be flushed with at least 100 times its own volume of tap water. The storage area for chemical wastes in a laboratory should be: Close to the place where the waste is generated. Anyone who works in awet chemistrylab, doinganalysis and testing, needs a pair of safe sulfuric acid gloves, sulfuric acid splash goggles, and is some situations, a sulfuric acid face shield. If you get sulfuric acid on you, flush your skin with soap and lukewarm water for at least 30 minutes. Protect your skin from sulfuric acid by wearingchemical-resistantprotective clothing, gloves, an apron, boots and anNIOSH approved respirator. Sulfuric acid is often used in concentrated industrial drain cleaners and forklift batteries. Below, we have done our best to clarify the doubts so you can dispose of sulfuric acid effectively, safely, and without harming the environment. How do you dispose of acetic acid in a lab? Here is info about sulfuric acid poisoning. Chemical Containers. In light of these precautions plus the minute quantities and diluted chemicals used in kits, students are generally instructed to blot up remaining chemicals with paper . Continually rinse your mouth with water and seek medical attention as soon as possible. Inhalation of concentrated sulfuric acid can irritate your upper respiratory tract and cause difficulty in breathing. Recombinant or synthetic nucleic acids (recDNA), including waste . Sulfuric acid (CAS Registry Number 7664-93-9),also known as hydrogen sulfate, is a highly corrosive, clear, colorless, odorless, strong mineral acid with the formula H2SO4. Buy Sulfuric Acid 96% Gloves From Grainger (Chemical And Heat Resistant), Shop Sulfuric Acid And Chemical Resistant Gloves At ASA, Shop Sulfuric Acid Safety Goggles From Fisher Scientific, Order Sulfuric Acid Splash Goggles From Grainger, Buy Fisherbrand Disposable And Polycarbonate Face Shields For Sulfuric Acid, Here. Organochloride Container *Check pH of your waste, it should be between pH 4-10. There are 8 references cited in this article, which can be found at the bottom of the page. Thanks to all authors for creating a page that has been read 123,209 times. Follow the instructions on the container of lye to make your sodium hydroxide solution. Buy Fisherbrand disposable and polycarbonate face shields for sulfuric acid, here. acid. Here's a step-by-step on how to do this: Add 35 mL of deionized water to a Pyrex beaker and get it stirring gently. Home How to Dispose of Sulfuric Acid (at Home and Lab). If both ions of a compound are on the following lists, that compound may be placed in a sanitary drain: Positive Ions. Slowly add some of the acids to this container and stir it gently. NO, unless it has been adjusted. Yes Sulfuric acid can kill you. If there is some leftover, trying to store it is way more challenging than disposing of it. gels, contaminated paper towels etc) should be placed . A student removes a chemical sample from a reagent bottle to be used in an experiment. If the acid has made contact with your skin, you will need to flush the exposed area with copious amounts of water. It isnt dangerous but might leave you plugging your nose at the repulsive smell. The second chemical to consider is calcium carbonate. If you add water to concentrated sulfuric acid, it can boil and spit and you may get a nasty acid burn. Examples of chemicals acceptable for disposal as regular trash are listed below. December 17, 2021 - Pictured here are two spill kits in a work environment. Handling and using sulfuric acid can be quite a dangerous task that requires the user to be very careful. If a person breathes in large amounts of sulfuric acid,move the exposed person to fresh air at once. Put your head in a fume hood as you heat the sample in it. 3) Ensure the contents are mixed thoroughly. Expand All. It is very stable and does not degrade orreactunless it has contact with impurities or the atmosphere. Some 'empty' containers can contain solids in the form of salts resulting from mixtures in the Coveralls and accessories have been rigorously tested to protect against noxious chemicals and come in styles with or without an attached hood and with or without attached boot coverings. Vigorously shake the sample until the smell travels to you. Sulfuric acid is very irritating and corrosive to the skin, eyes, respiratory track and gastrointestinal track. Perchloric Acid [CAS No. 2) Add 100 mL of bleach. Work slowly to avoid splashes. What To Do If You Get Sulfuric Acid On Your Skin. If strong concentrations of gas or solution penetrate clothing, remove clothing and flush the skin with water. Severe exposure can even result indeath. Reactivity hazards and conditions to avoid are water, humidity and moisture. If breathing has stopped, perform artificial respiration.Sulfuric acid is a highly corrosive chemical that is potentially explosive in concentrated form. It is corrosive and irritating and causes direct local effects on the skin, eyes and gastrointestinal tracts after direct exposure. Run room temperature water over that area for at least 15 minutes and then seek medical attention immediately. It should fit comfortably, encouraging worker use. Acetic acid can be a hazardous chemical if not used in a safe and appropriate manner. Download Safety Data Sheets (formerly MSDS) for various grades and concentrations of sulfuric acid. PRECAUTIONS . 6. Do not adjust it. Give your affected employees the safety training they need with this important safety video. Required components are nitrile safety gloves, eye goggles, poly aprons, shoe or boot covers, polymers to neutralize acid, specialized scoops, disposal containers and a spill containment handbook. You can't use any leftover dye that the yarn hasn't absorbed because the dye . How to dispose of empty chemical containers. Despite being relatively safe in lower concentrations, you should still be careful and keep all chemical substances away from the reach of children. In the event that you are unsure then the default position should be to aim for compliance with our target of "zero to drain". Download an occupational health guideline for sulfuric acid from the CDC,here. However, care should be taken when handling sulfuric acid in a concentrated form. Accidents involving chromic acid cleaning solutions can result in burns to both skin and clothing. It can cause severe skin burns, can irritate the nose and throat and cause difficulties breathing if inhaled, can burn the eyes and possibly cause blindness, and can burn holes in the stomach if swallowed. Moreover, it would help if you read up on the right protocols to follow in case of a spill or accident. While you pour the acid, keep a safe distance to avoid spillage and burns. If stored without being diluted first, the acid will retain its aggressive chemical nature and oxidize plastic containers. Wear clothing and shoes that cover exposed skin and can protect you from potential splashes. These studies are limited by co-exposure to several other workplace chemicals and/or tobacco smoke; however, the large number of studies reporting tumors suggests that sulfuric acid is a carcinogen. Be careful not to over-neutralize, Test pH of the spill after the neutralization reaction has stopped with pH paper, Once pH is between 6 and 9, the material can be transferred into an appropriate. Sulfuric Acid Usage: Learn how to takesafety precautions. Remember not to place it on grass or soil as the high acidity levels will damage it. Deface all reused cardboard boxes. Allow fumes to clear before each addition, and don't allow the water to boil. Rinse glassware used for experiments with the minimum amount of water, and pour the rinsing water into the liquid waste container. Personal protective equipment may include items such as gloves, safety glasses and shoes, earplugs or muffs, hard hats, respirators, or coveralls, vests and full body suits. First, look for signs of corrosion: are there any changes as to how the pot looked before (roughed up surface,)? The color that matches the strip is the pH of your solution. Incorporate disposal instructions into your laboratory activity. Seek medical attention. Avoid generatingsulfuric acid vapors or mists. Read about the proper way to dispose of sulfuric acid, here. If PPE is to be used, a PPE program should be implemented. Face Shield Protection From Sulfuric Acid. This is the best possible choice as it is safe to store, easy to use, and neutralizes sulfuric acid quickly. Due to sulfuric acids hazardous nature, people had many concerns and questions about safe disposal practices. If ingested, this chemical may cause internal burns, irreversible organ damage, and possibly death. Improperly-disposed containers can expose custodians and the public to hazardous chemicals, can create legal liability for you and the university, and can even explode at the disposal . If sulfuric acid makes direct contact with the eyes, it cancause permanent blindness. Sulfuric acidis corrosive to all body tissues. The gas produced isnt harmful, and calcium sulfate is a fairly innocuous substance. 2) Add 2 L of bleach. Exposure to sulfuric acid aerosols at high concentrations leads to severe eye and respiratory tract irritation and tissue damage. Laboratory managers buy sulfuric acid,here. The containers will have markings and labels that identify the contents of the container and the hazards present in the container. Transport high concentrations of sulfuric acid in safe bottles or containers made from glass, polymethylpentene, polyethylene, teflon, viton or HDPE. When youre disposing of sulfuric acid, there is always a chance of accidental exposure. Find out what personal protective equipment (PPE) is needed when using sulfuric acid at home or at work,here. Sulfuric Acid Is Dangerous | Hazards And Safety InformationIf sulfuric acid makes direct contact with the eyes, it can causepermanent blindness. Next, mix the acetic acid with sodium hydroxide slowly and carefully. Shovel the neutralized residues into containers for disposal. Disposal of wastes containing sulfuric acid is controlled by a number of federal regulations. Use sodium bicarbonate (or baking soda) to neutralize battery acid (sulfuric acid). What PPE Should Be Worn When Working with Battery Acid? Learn how to clean up sulfuric acid spills, here. Chromium (VI), or hexavalent chromium, is also classified as a carcinogen. Flush skinthat was contaminated with sulfuric acid with soap and lukewarm water for at least 30 minutes. Outdoor workersare at risk ofsulfuric acid exposureif they work in areas where coal, oil, or gas are burned. Dispose of the filtrate (pour down the sink while the water is on). Ingestion of sulfuric acid can burn the mouth and throat, and erode the stomach; death can occur. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Seems safe enough, right? Make sure that the container is empty. 13. INFORMATION ON HOW TO DISPOSE OF CHEMICAL WASTE GENERATED IN THE LABORATORY Chemical Requires Hazardous Disposal 5 TYPES OF HAZARDOUS DISPOSAL Special Hazard Disposal Instructions 1. Sulfuric acid can cause severe skin burns, it can burn the eyes, burn holes in the stomach if swallowed, irritate the nose and throat, and cause difficulties breathing if inhaled. Order a 3M Half-Mask Respirator from Grainger,here. If the exposure has occurred over a larger area, remove your clothing and rinse it thoroughly under a lukewarm shower. Foaming, bubbles or heat when the acid had contact with the pot is another sign of a chemical reaction. Alternatively, you can use a universal indicator solution. It is important to usepersonal protective equipment, eye and face protection when working with sulfuric acid. You may be held liable for violations of applicable laws. What are the safety precautions in the laboratory? Sulfuric acid is a highly corrosive chemical that is potentially explosive in concentrated form. You should always wear the appropriate protective equipment to reduce these chances. Permanent scarring can result. Control the spread of the liquid. Radioactive Waste. The runtime is 26 minutes and the video is available in DVD or VHS for $395,here. 7.1.4 Chromic Acid. Because this highly exothermic acid presentsserious storage challenges, learn how to handle and store sulfuric acid it safely before you buy it. Phone: 512-668-9918 Gregory Cade is an Environmental and Occupational Law Attorney. If you pour water into the acid, it will undergo a harsh exothermic reaction and produce immense amounts of heat. Place in the trash or directly . Overview. Expert Interview. Your local pool company may be willing to dispose of the acid, or your local waste management plant may take the acid to use. One method of neutralization is to add the acid slowly to a solution of soda ash and slaked lime, and to then flush with a large volume of water. DO NOT throw glassware in regular trash cans. Using a Pasteur pipette, slowly add 42 mL of fuming HCl. The manufacturer of the face shield is the best source for chemical-resistance data. 1) Add 900 mL of water. Look up where to dispose empty chemical . InhalationIf you inhale sulfuric acid aerosols, seek fresh air and medical attention immediately. Learn how sulfuric acid is used as a catalyst in the chemistry industry, as an electrolyte in lead-acid batteries and as a drain cleaner,here. 4. Disassemble the fume hoods. If the acid is high enough in concentration, it will release a great amount of heat if you add water to it. Important Note - it is vital to remember to pour small volumes of acid into the water and not the other way around. Moresulfuric acid is produced in the United Statesevery year than any other chemical. Buy sulfuric acid insafe containers,here. Neutralize the dilute acid. It can even corrode metals. wikiHow is where trusted research and expert knowledge come together. There are two types of acids: mineral (inorganic) acids such as sulfuric, hydrochloric or nitric and carboxylic (organic) acids such as formic or acetic. Do not scrub or rub skin. Most people prefer disposing of excess sulfuric acid as it poses a serious storage challenge. This allows you enough space for diluting and neutralizing the acid. Last Updated: January 4, 2023 The Principal Investigator must authorize workers to use and provide lab-specific training Hydrofluoric Acid and provide additional training. Watch aYouTube videofrom the U.S. Department of Labor to learn about respirator safety,here. The Occupational Safety and Health Administration standardthat applies to spill kitsis 1910.120, Hazardous Waste Operations and Emergency Response (HAZWOPER). It can cause severe skin burns, can irritate the nose and throat and cause difficulties breathing if inhaled, can burn the eyes and possibly cause blindness, and can burn holes in the stomach if swallowed. Securely seal the box with tape. Be sure to wear safety goggles, gloves, and the right attire to keep your skin safe in case of splashing. always dilute the acid first, to limit splashing or boiling the acid. Doors and windows must be opened to ensure good airflow before handling strong acid waste indoors. All personal protective equipment should be safely designed and constructed, and should be maintained in a clean and reliable fashion. 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Low levels of solid waste (e.g. Calcium carbonate will react with sulfuric acid to form calcium sulfate (also called gypsum) and carbon dioxide. Step 2 - Dilution is Essential. In such circumstances, it is best to seek medical help instead of handling it on your own. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in air, soil or water; effects on animal, aquatic and plant life; and conformance with environmental and public health regulations. Download a sulfuric acid handling and storage guide published by the Aetna Plastics company in PDF format,here. If the inhalation continues for an extended time, it may even lead to lung damage. What do you do with it? ( Important: Make sure you can still read what chemical was in it, so don't completely destroy the label.) Clearly labeled with hazardous waste signage. Chronic lung disease (bronchitis, fibrosis, emphysema), reduced lung function, and tooth decay have been reported occurred following occupational exposure to sulfuric acid. Environmental & Occupational Law Attorney. Inhalation of vapor may cause serious lung damage. If strong concentrations of gas or solution penetrate clothing, remove clothing and flush the skin with water. Corrosive waste with a pH of 2.0 or lower or pH of 12.5 or higher. Using Bleach on Surfaces. The fume hood will evaporate the methanol and dissipate the fumes quickly to a safe level. It can be a substantial environmental hazard and cause the death of wildlife. Due to its local anesthetizing properties, skin burns may be painless. Weigh the filter paper containing the dry precipitate (calcium carbonate) = _____ 2. Basic solutions react with acidic solutions to neutralize the acid and produce water and a salt. Milk of magnesia does not need to be altered and can be used directly to neutralize the acid. Negative Ions. When just autoclaving is not enough, media with antibiotics should be considered as chemical waste and disposed of correctly. If you are a lab technician or administrator at an institution where stock solutions with sodium azide preservative are used, you should consider containerizing these waste liquids in plastic drums and having your waste vendor ship and dispose of your waste as non-hazardous rinse water. Place non-contaminated glassware in sturdy cardboard box lined with a plastic bag. Mobile Phase Find out how to clean up sulfuric acid spills, here. 88-89-1, 2,4,6-Trinitrophenol, picronitric acid) is a pale yellow, odorless crystal that is slightly soluble in water (saturation occurs at about 1.3% by weight). Acids and bases should be at least above pH 3 and below pH 8 before being placed in a sanitary drain. Combination of nitric acid waste with any other waste streams could be dangerous and is a major cause of laboratory explosions. Whether you can pour sulfuric acid down the drain depends on the concentration and quantity you have. Dispose of the wastes. Controlled Substances Waste. Mechanics who handle dirty batteries are also at risk of sulfuric acid exposure. Cleanup and Disposal. It is highly corrosive. On this page, you can watchsulfuric acid safety videosand read informativeOSHA sulfuric acid safety guidelines. Label the box "CLEAN Lab Glass - Trash". If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. When decommissioning a lab, it's important for environmental and safety reasons that you follow the proper procedure for fume hoods disposal. Thissulfuric acid fact sheetcontains information on health hazards, exposure limits, personal protective equipment, proper handling, first aid, and emergency procedures for fires and spills. Personal protective equipment, commonly referred to as "PPE", is equipment worn to minimize exposure to sulfuric acid that can cause serious workplace injuries and illnesses. If you or someone you are with has an exposure to sulfuric acid, call your local emergency number such as 911. Dont try to drown it with water or anything else. The potential for sulfuric acid to cause cancer in humans has not been assessed by the U.S. EPA IRIS program. Cultures or stocks of pathogenic agents, including bacteria, rickettsia, fungi, viruses, protozoa, parasites, prions and select agents. The video describes safe handling and storage of these chemicals, proper loading and off-loading procedures during transportation, and proper use of personal protective equipment and clothing. Immediately address leaks, spills or failures of safety equipment. Permit adequate ventilation and space for the separation of non-compatible wastes. Only non-hazardous laboratory chemicals may be placed into the ordinary refuse (garbage) for disposal. Only use vented caps on nitric acid waste containers (available through VWR). Then pour the exhausted dye bath down the drain, flushing with plenty of water. Sulfuric acid smells like rotten eggs. How To Clean Up Sulfuric Acid Spills. Waste Disposal Guide for Research Labs. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory. Learnhow to use sulfuric acidin your home or at work without being harmed by this highly useful, but corrosive chemical. What Do You Do If You Inhale Or Breathe In Sulfuric Acid?Get medical attention immediately. The following materials are defined as biohazardous or biomedical waste: Human and nonhuman primate blood, tissue, body fluids and cell lines. Pour the diluted solution down the sink, flushing with large amounts of water. Contact with sulfuric acidcan cause pain, redness, burns and blistering. Q: What Happens If You Are Exposed To Sulfuric Acid?A: Exposure to sulfuric acid may occur throughskin contact, eye contact, ingestion, and breathing contaminated air. Beforeworking with sulfuric acid, individuals should be trained in its proper handling and storage and know how to use proper personal protective equipment, including protective gloves and chemical-resistant clothing and boots, splash-proof goggles, and respirators approved by theNational Institute for Occupational Safety and Health (NIOSH)for use with sulfuric acid. How to Get Rid of Head Lice: Can Natural Remedies Help? Severeexposurecan result in death. Sulfuric Acid Respiratory ProtectionPeople that work with sulfuric acid arerequired to wear respiratorsin various workplaces throughout the United States. Transport sulfuric acid safely for use in pharmaceuticals, medicine, fertilizer, water treatment or car batteries. All users of hydrochloric acid must review this document. 6. Any undamaged corrugated box is suitable and must also be polybag-lined (2 mil). Electronic Waste/Fluorescent Bulbs. For small sulfuric acid spills, cover the contaminated area with sodium bicarbonate or a mixture of soda ash/slaked lime (50/50) and mix. Important Note it is vital to remember to pour small volumes of acid into the water and not the other way around. Dispose of perchloric acid waste following Harvard University Hazardous Waste Procedures o Hazardous Waste Classification: Corrosive, Oxidizer Then, it would be best if you headed off to the ER. Sulfuric acid is extremely corrosive to all body tissues. Glass test tubes must be discarded in the racks provided in the test-tube wastebasket located at the back of the lab. You might have bought some sulfuric acid for your home for various uses. Therefore, today we will be discussing how to dispose of sulfuric acid at home and in the lab safely. 2. Pull back long hair to avoid unintentional contact with the acid. Corrosive waste with a pH of 2.0 or lower or pH of 12.5 or higher. Sulfuric acid reacts vigorously with water in a highlyexothermic reaction. It causes rapid tissue destruction and serious chemical burns on contact with the skin or eyes. Skin contact may produce severe necrosis. disposal. Empty chemical containers. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Large tanks holding sulfuric acid are often made of carbon steel or stainless steel due to their abilities to resist the acid's corrosive nature. During a lab cleaning one day, we found what looked to be a 20 year old bottle of dried picric acid used to make Bouin's fixative. December 17, 2021 - Pictured here is abattery acid (sulfuric acid) spill kit. Chemical Waste. Inhalation of sulfuric acid mist or fumes may produce irritation of the nose, throat and respiratory tract. All clothing or equipment with sulfuric acid on it should also be removed by a person wearing protective gear. All containers must be clearly labeled with one of the following: Laboratory Glassware When dispensing the last of the contents carefully rinse the container several times with water and utilize the rinsate in your cleaning process. With over 25 years of experience, he has extensive knowledge in injuries resulting from toxic substance exposure like pesticides. It also produces carbon dioxide, which is also a safe gas. Clean up your lab bench and obtain a signature from the supervising teacher for "Day 1." D AY 2 1. Add baking soda 1 tablespoon at a time and use pH test papers to verify that the exhausted bathwater is neutralized. Carelessness causessulfuric acid damage, skin burns and injuriesin workplaces and in homes when this corrosive chemical is splashed on an uncovered face or eyes. Buy sulfuric acid safe containers, sulfuric acid safe plastic bottles and jugs at Lab Alley,here. Useconcentrated sulfuric acid (95-98%)andsulfuric acid 93% (92-94%)carefully because these concentrations react with water, sodium hydroxide, alcohol,sugar, aluminum, bases, metals and calcium carbonate. Decontamination of persons and equipment following an acid spill or incident. ventilation system). Find out how to purchase, use, handle, store, transport, clean up and dispose of sulfuric acid with a minimum of risk. laboratory settings (including remote, or jungle environments), while others have not. aluminum. The ER team is better equipped to assess your condition and determine whether the acid has caused damage to your respiratory tract. % of people told us that this article helped them. Increased tumors in the respiratory tract (nasal passages, larynx, lung) have been associated with occupational exposure to sulfuric acid in various industries.
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