• Hydrochloric acid (HCl) is considered a strong acid because it is present only in a completely ionized form in the body, whereas carbonic acid (H 2 CO 3 ) is a weak acid because it is ionized incompletely, and, at equilibrium, all three reactants are present in body fluids. (medscape.com)
  • Acidic drain cleaners contain sulfuric, muriatic or hydrochloric acid. (serviceexperts.com)
  • In the early 1960s Olah and co-workers discovered that stable carbocations could be prepared through the use of a new type of extremely acid compounds - far stronger than "classical" acids like sulphuric acid, hydrochloric acid etc. (nobelprize.org)
  • Sulfuric acid is a fundamental reagent in the production of a wide range of chemicals, including hydrochloric acid, nitric acid, synthetic detergents, dyes, pigments, and pharmaceuticals. (indianchemicalsexporter.com)
  • In his paper on Interpretations of Permissible Limits, Schrenk (16) notes that the "values for hydrochloric acid, hydrogen cyanide, ammonia, chlorine and bromine as given under the heading "only minimal symptoms after several hours' in the foregoing Kobert paper agree with values as usually accepted in present-day tables of MACs for reported exposures. (cdc.gov)
  • Note that acids that produce corrosive gases/fumes e.g. perchloric acid, aqua regia and concentrated hydrochloric acid must only be handled in special, flushable fume hoods. (lu.se)
  • The client is asking to use 98% of sulphuric acid as initial concentration and dilute to a concentration before dosing into the process line. (cheresources.com)
  • Then I could probably use the dilute KOH produced in a reaction with sulfuric acid. (sciencemadness.org)
  • Electrolysis of dilute sulfuric acid produces hydrogen gas and oxygen gas. (hielscher.com)
  • The absorption device is made up of two cylindrical flasks that contain dilute sulfuric acid and absorbs the gas released from the reaction tubes. (actionext.com)
  • You should not place the tube of your first absorption bottle beneath the surface of dilute sulfuric acids to avoid back suction. (actionext.com)
  • Sulfuric acid is commonly available in various concentrations, ranging from dilute solutions to highly concentrated forms. (indianchemicalsexporter.com)
  • If you are exposed to sulfur trioxide or sulfuric acid, many factors determine whether you'll be harmed. (cdc.gov)
  • If you are exposed to sulfur trioxide or sulfuric acid, chapter from the Toxicological Profile for Sulfur many factors determine whether you'll be harmed. (cdc.gov)
  • You may be exposed to sulfur trioxide or sulfuric sulfate. (cdc.gov)
  • Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with the molecular formula H2SO4. (wikipedia.org)
  • Note that H2SO4 produces H2 (google - hydrogen grooving) while H2O2 produces O2 (google - peroxide decomposition). (cheresources.com)
  • It is also called sulphine acid, battery acid, and hydrogen sulfate. (cdc.gov)
  • Hydrogen bromide is produced by making hydrogen react with bromine. (prnewswire.com)
  • An acid is a substance that can donate hydrogen ions (H + ). A base is a substance that can accept H + ions. (medscape.com)
  • Car batteries have, on occasion, exploded due to ignition of hydrogen that is produced in the presence of oxygen. (iowapoison.org)
  • We are building a technology that produces low cost hydrogen while releasing low or no carbon dioxide emissions. (sbir.gov)
  • Key to our affordable hydrogen is the co-generation of valuable co-products like: Sulfuric Acid or Cement. (sbir.gov)
  • If we succeed on deploying our technology to meet the entire cement market, we could produce enough hydrogen for the entire hydrogen market, plus enough hydrogen to power all the cars in the world. (sbir.gov)
  • Nuberg EPC has in recent past bagged prestigious projects including the Caustic Soda Plant project for Lineer Kostik Soda Sanayi Anonim Sirketi in Turkey, Sulfuric Acid Project for Sprea Misr in Egypt, Sulfuric Acid Plant Project for Awash Melkassa Chemical Factory in Ethiopia, Sulfuric Acid Plant Project for International Company for Chemical Industry in Egypt, and Hydrogen Peroxide Plant for Uzbekistan Hydrogen JU LLC in Uzbekistan. (hydrocarbonprocessing.com)
  • Concentrated sulfuric acid is highly corrosive towards other materials, from rocks to metals, since it is an oxidant with powerful dehydrating properties. (wikipedia.org)
  • Sulfuric acid is a clear, colorless, oily liquid that is very corrosive. (cdc.gov)
  • It this corrosive acid or alkaline & what is its name? (iowapoison.org)
  • Is the corrosive utilized an acid or a alkaline? (iowapoison.org)
  • Sulfuric acid is highly corrosive to many substances, including metals, organic materials, and even some ceramics. (indianchemicalsexporter.com)
  • Handling sulfuric acid requires strict safety precautions due to its corrosive nature. (indianchemicalsexporter.com)
  • When handling large amounts of corrosive substances or when tapping from large bottles or diluting acids or alkalis, protection for the entire face should be used. (lu.se)
  • As indicated by its acid dissociation constant, sulfuric acid is a strong acid: H2SO4 → H3O+ + HSO−4 Ka1 = 1000 The product of this ionization is HSO−4, the bisulfate anion. (wikipedia.org)
  • It is used as an intermediate in the production of sulfuric acid, other chemicals, and explosives. (cdc.gov)
  • Concentrated sulfuric acid can catch fire or explode when it comes into contact with many chemicals including acetone, alcohols, and some finely divided metals. (cdc.gov)
  • The Environmental Protection Agency (EPA) used as an intermediate in the production of sulfuric identifies the most serious hazardous waste sites in acid, other chemicals, and explosives. (cdc.gov)
  • The chemical industry comprises the companies that produce industrial chemicals . (wn.com)
  • One of the first chemicals to be produced in large amounts through industrial process was sulfuric acid . (wn.com)
  • Sulfuric acid is a crucial industrial chemical used in the production of fertilizers (such as ammonium sulfate and superphosphate), detergents, explosives, batteries, and various other chemicals. (indianchemicalsexporter.com)
  • Chemical Industry: Jinchang has a well-developed chemical industry that produces chemicals such as sulfuric acid, caustic soda, ammonium chloride, and potassium sulfate. (trackstick.com)
  • Incident drill Coordinator at Protea Chemicals Namibia, Karika Laas said the objectives of the drill, is to test the effectiveness of the sulphuric acid response plan, to evaluate the preparedness for a sulphuric acid transport incident to identify opportunities for improvement in the current response plan. (economist.com.na)
  • Because industries using and/or producing chemicals are located in close proximity to populated areas, U.S. residents are at risk for unintentional chemical exposures. (cdc.gov)
  • In the hydrometallurgy, the raw material of zinc concentrate is roasted and then dissolved in sulfuric acid to remove impurities. (yokogawa.com)
  • Sulfuric acid is used in petroleum refining processes to remove impurities, such as sulfur and nitrogen compounds, from crude oil and its derivatives. (indianchemicalsexporter.com)
  • Although nearly 100% sulfuric acid solutions can be made, the subsequent loss of SO3 at the boiling point brings the concentration to 98.3% acid. (wikipedia.org)
  • For example, if you have 100ml of 18 molar solution of sulphuric acid or 96% concentration(maximum available for public in the UK) you will need to dissolve 101 grams of potassium hydroxide in water (or you can add it dry to the acid but this would be too dangerous) and slowly neutralize the acid with base. (sciencemadness.org)
  • The density of sulfuric acid varies with concentration, but at room temperature, its density is around 1.84 g/cm 3 for concentrated acid. (indianchemicalsexporter.com)
  • Fuming sulfuric acid, also called oleum, is a solution of 10�70% sulfur trioxide in sulfuric acid. (cdc.gov)
  • Oleum is the form of sulfuric acid that is often shipped in railroad cars. (cdc.gov)
  • It does not freeze at the freezing point of water (0 degree centigrade) but rather becomes a viscous, glassy solid known as 'fuming sulfuric acid' or 'oleum. (indianchemicalsexporter.com)
  • Phosphorus pentoxide is a notable exception in that it is not dehydrated by sulfuric acid but, to the contrary, dehydrates sulfuric acid to sulfur trioxide. (wikipedia.org)
  • Sulfuric acid can be obtained by dissolving sulfur trioxide in water. (wikipedia.org)
  • This Public Health Statement is the summary chapter from the Toxicological Profile for Sulfur Trioxide and Sulfuric Acid . (cdc.gov)
  • This public health statement tells you about sulfur trioxide and sulfuric acid and the effects of exposure. (cdc.gov)
  • Sulfur trioxide and sulfuric acid have been found in at least 47 of the 1,467 current or former NPL sites. (cdc.gov)
  • As more sites are evaluated, the sites with sulfur trioxide or sulfuric acid may increase. (cdc.gov)
  • What are sulfur trioxide and sulfuric acid? (cdc.gov)
  • Sulfur trioxide is also called sulfuric oxide and sulfuric anhydride. (cdc.gov)
  • Once formed, sulfur trioxide will react with water in the air to form sulfuric acid. (cdc.gov)
  • Both sulfur dioxide and sulfuric acid are more likely to be found in air than sulfur trioxide. (cdc.gov)
  • What happens to sulfur trioxide and sulfuric acid when they enter the environment? (cdc.gov)
  • Much of the sulfuric acid in the air is formed from sulfur dioxide released when coal, oil, and gas are burned. (cdc.gov)
  • This public health statement tells you about sulfur combines with water, releasing considerable heat trioxide and sulfuric acid and the effects of while forming sulfuric acid. (cdc.gov)
  • In the air, sulfur trioxide sulfuric acid have been found in at least 47 of the can be formed slowly from sulfur dioxide. (cdc.gov)
  • Both sulfur dioxide and sulfuric acid may increase. (cdc.gov)
  • This is important sulfuric acid are more likely to be found in air than because exposure to these substances may harm you sulfur trioxide. (cdc.gov)
  • It is produced commercially using the Frasch process in which heated water is used to melt underground sulfur that is then brought to the surface. (jrank.org)
  • Nitrogen oxides, sulfur oxides, and sulfuric acid. (nationaldiagnostics.com)
  • The hydration reaction of sulfuric acid is highly exothermic, dilution. (wikipedia.org)
  • From my understanding, It is batter to do a higher ratio dilution due to the higher amount of water creates a larger heat dissipating medium to absorb the heat of dilution due to the addition of acid to the water. (cheresources.com)
  • An inhouse plant produces demineralised water for use in both manufacture and dilution of sulfuric acid. (wroclawskibiegakademicki.pl)
  • The Justice Department outlined Aldawsari's attempts to make trinitrophenol (TNP), or picric acid, a well-known component in explosives. (islamicpluralism.org)
  • Most zinc are produced at hydrometallurgically, where a high-grade zinc product can be obtained and valuable metals mixed in the raw material can be recovered. (yokogawa.com)
  • Sulfuric acid is employed in metal extraction and refining, particularly for metals like copper, zinc, and nickel. (indianchemicalsexporter.com)
  • The city has several large-scale mining and metallurgical enterprises that produce these metals. (trackstick.com)
  • 1992). For example, in two factories in the USA producing hard metals, peak cobalt concentrations in air during weighing, mixing and milling exceeded 500 µg/m3 in more than half of all samples (Sprince et al. (who.int)
  • Iodine is also used as a catalyst in the industrial production of acetic acid and some polymers . (wikipedia.org)
  • the carbonic acid, in turn, forms water and CO 2 . (medscape.com)
  • Once in the atmosphere, the carbon dioxide will react with water and form carbonic acid. (lu.se)
  • Carbonic acid is a weak acid, but it is significant in the weathering of mountain ranges. (lu.se)
  • As carbon dioxide reacts with water, it forms carbonic acid and carbonates that sink and are stored deeper in the ocean. (lu.se)
  • The most well-known concentrations include 98% sulfuric acid (concentrated sulfuric acid) and 65% sulfuric acid (battery acid). (indianchemicalsexporter.com)
  • This reacts with organic materials to produce heat and gas, dissolving the clog. (serviceexperts.com)
  • Is the caustic substance an acid or an alkaline? (iowapoison.org)
  • Magnesium hydroxide is generally produced from seawater and brines, or from brucite (a natural magnesium hydroxide-rich mineral), or from caustic-calcined magnesia. (spglobal.com)
  • John Roebuck and Samuel Garbett were the first to establish a large-scale factory in Prestonpans in 1749, which used leaden condensing chambers for the manufacture of sulfuric acid. (wn.com)
  • We are actively engaged in offering Sulfuric Acid, which find usage in fertilizer manufacture, but is also important in mineral processing, oil refining and wastewater processing. (indianchemicalsexporter.com)
  • Saltpetre produced from French nitre beds required sodium carbonate , which could be isolated from seaweed collected on the coasts of Normandy and Brittany . (wikipedia.org)
  • It is also synthesized by making the concentrated sulphuric acid react with sodium bromide. (prnewswire.com)
  • Argus also produces essential services and reports that provide dedicated analysis of specific countries or regions - as well as the exciting specialty fertilizers market. (argusmedia.com)
  • Sulfuric acid is a critical component in the production of fertilizers, such as ammonium sulfate and superphosphate. (indianchemicalsexporter.com)
  • It has a wide range of end applications, including in domestic acidic drain cleaners, as an electrolyte in lead-acid batteries, in dehydrating a compound, and in various cleaning agents. (wikipedia.org)
  • Lead-acid batteries, commonly used in vehicles and backup power systems, require sulfuric acid as an electrolyte to facilitate the chemical reactions that produce electricity. (indianchemicalsexporter.com)
  • Sulfuric acid is a clear, colorless, oily liquid that is release does not always lead to exposure. (cdc.gov)
  • Sulfuric acid is typically a dense, oily liquid at room temperature. (indianchemicalsexporter.com)
  • and in lead-acid batteries (the type commonly used in motor vehicles). (cdc.gov)
  • most commonly, the heptahydrate salt is produced (Epsom salt). (spglobal.com)
  • thus, the reverse procedure of adding water to the acid should not be performed since the heat released may boil the solution, spraying droplets of hot acid during the process. (wikipedia.org)
  • In spite of the viscosity of the acid, the effective conductivities of the H3SO+4 and HSO−4 ions are high due to an intramolecular proton-switch mechanism (analogous to the Grotthuss mechanism in water), making sulfuric acid a good conductor of electricity. (wikipedia.org)
  • Concentrated sulfuric acid has a powerful dehydrating property, removing water (H2O) from other chemical compounds such as table sugar (sucrose) and other carbohydrates, to produce carbon, steam, and heat. (wikipedia.org)
  • C 12 H 22 O 11 sucrose ⟶ 12 C black graphitic foam + 11 H 2 O ( g , l ) {\displaystyle {\underset {\text{sucrose}}{{\ce {C12H22O11}}}}\longrightarrow {\underset {{\text{black}} \atop {\text{graphitic foam}}}{{\ce {12 C}}}}+{\ce {11 H2O_{(g,l)}}}} Similarly, mixing starch into concentrated sulfuric acid gives elemental carbon and water. (wikipedia.org)
  • I am currently designing on a Sulphuric Acid Dosing Plant for a water treatment plant. (cheresources.com)
  • I understand that it could because certain organic matters in the raw water will react with the acid ions, but would it make a such different? (cheresources.com)
  • Take a sample of your water and perform a titration in the lab, you will get the right number of cm3 of Acid you need per g or kg of water. (cheresources.com)
  • Yes, you are right about safety concern using sulfuric acid and water. (cheresources.com)
  • Always add Acid in water, not reverse. (cheresources.com)
  • It combines with water, releasing considerable heat while forming sulfuric acid. (cdc.gov)
  • When concentrated sulfuric acid is mixed with water, the solution gets very hot. (cdc.gov)
  • When concentrated sulfuric acid is ability of other substances in the water to neutralize mixed with water, the solution gets very hot. (cdc.gov)
  • The mixture of sulphuric acid and water produces heat. (ilmainensanakirja.fi)
  • We provide all those things that you'd find in the produce section, we provide the water that comes out of taps indirectly. (prospect.org)
  • Upon contact with body tissue, sulfuric acid can cause severe acidic chemical burns and even secondary thermal burns due to dehydration. (wikipedia.org)
  • C 6 H 10 O 5 ] n polysaccharide ⟶ 6 n C + 5 n H 2 O {\displaystyle {\underset {\text{polysaccharide}}{{\ce {[C6H10O5]}}_{n}}}\longrightarrow 6n\ {\ce {C}}+5n\ {\ce {H2O}}} The reaction with copper(II) sulfate can also demonstrate the dehydration property of sulfuric acid. (wikipedia.org)
  • Once fully implemented, the settlement will reduce SO 2 emissions from Simplot's five sulfuric acid plants by more than 50 percent for approximately 2,540 tons per year of reductions (825 tons per year of which will be at the Pocatello plant). (justice.gov)
  • Simplot's Lathrop sulfuric acid plant is located in the San Joaquin Valley in California, which is currently classified as nonattainment for the PM 2.5 National Ambient Air Quality Standards and has some of the most difficult challenges meeting those standards in the country. (justice.gov)
  • Nuberg EPC, the leading Indian Global EPC and turnkey project management company announced that it has been awarded the prestigious 550 TPD Sulfuric Acid Plant project on EPC based contract in Neratovice, Czech Republic. (hydrocarbonprocessing.com)
  • Sulfuric Acid produced by the 550 TPD Sulfuric Acid plant project in Czech Republic will be used for Petrochemical and Fertilizer based applications. (hydrocarbonprocessing.com)
  • Batteries depend upon a chemical reaction of sulfuric acid with lead plates to create direct electric current. (bassmaster.com)
  • As the reaction proceeds, sulfates are deposited on the plates, reducing their ability to produce current. (bassmaster.com)
  • All you need to do is to neutralize a sulphuric acid with potassium base, According to Wikipedia hydroxide should work well in this reaction. (sciencemadness.org)
  • The Department of Justice and EPA alleged that Simplot made modifications at its five sulfuric acid plants without applying for or obtaining the necessary Clean Air Act permits and obtaining "best available control technology" limits for SO 2 , as well as for sulfuric acid mist and PM 2.5 at one of the sulfuric acid plants in Pocatello. (justice.gov)
  • Lung Cancer Mortality in Workers Exposed to Sulfuric Acid Mist and Other Acid Mists in Steel Pickling Operations. (cdc.gov)
  • Normally, HF itself is produced by reacting a crystalline mineral called fluorspar (CaF2) with sulfuric acid under harsh conditions, before it is used to make fluorochemicals. (ox.ac.uk)
  • At 700-1500 degC, magnesium nitride is thermally broken down to produce nitrogen. (actionext.com)
  • Understanding the regulation of acid-base balance requires appreciation of the fundamental definitions and principles underlying this complex physiologic process. (medscape.com)
  • At the current approved throughput rate of 5.5 Mtpa, Kevitsa is expected to produce approximately 11,000 tons of nickel and 20,000 tons of copper annually. (metso.com)
  • In 2011, ABX produced 7.7 million ounces of gold at total cash costs of $460 per ounce or net cash costs of $339 per ounce and produced 451 million pounds of copper at total cash costs of $1.75 per pound. (munknee.com)
  • Aurubis produces more than 1 million tons of copper cathodes annually, and from them a variety of products such as wire rod, continuous cast shapes, profiles, and flat rolled products made of copper and copper alloys. (aurubis.com)
  • Mining operations produces valuable minerals or geological materials from the Earth. (yokogawa.com)
  • Machinery Manufacturing Industry: The machinery manufacturing industry in Jinchang produces equipment for mining and metallurgy industries. (trackstick.com)
  • Energy Production - Coal mining is also an important industry in Jinchang due to its abundant coal reserves which make it one of the largest coal-producing regions in China. (trackstick.com)
  • The drill is to ensure safe transportation of Sulphuric Acid produced by Dundee via road and rail to other mining operations. (economist.com.na)
  • 0.2 The roller milling of wheat flour to produce a refined white flour (low extraction rate) with long shelflife (before the onset of unpalatability due to fat rancidity) results in the loss of up to 80% of the naturally present vitamins, minerals, and fat. (who.int)
  • 0.4 Wheat flours are considered to be one of the most cost effective, technically feasible and widely used vehicles for B group vitamins, folic acid, Vitamin A and minerals through centralized milling, Wheat flour products, especially bread and biscuits are also consumed by most sectors of the population. (who.int)
  • 0.5 This Afghanistan Standard is drafted in order to assist in alleviating of problem of deficiency in B group vitamins, folic acid, Vitamin A and minerals and to ensure that the safety and quality of fortified products are complied with, and the respective vitamins are supplied in the right amount and form. (who.int)
  • Fortified wheat flours shall be a food stuff composed of the fine endosperm of wheat including varying proportions of wheat germ and bran according to the extraction rate of the flour, to which B group vitamins, folic acid and minerals have been added. (who.int)
  • Note: To get the quantity of acid you need to neutralize the effluent, forget about calculation. (cheresources.com)
  • a country's sulfuric acid production is a good indicator of its industrial strength. (wikipedia.org)
  • Sulfuric Acid is also used in manufacturing of Caprolactam, which is used in the production of Nylon and Perlon and subsequently in the textile and clothing industry. (hydrocarbonprocessing.com)
  • It was the first practical production of sulfuric acid on a large scale. (wn.com)
  • As revealed in legally authorized electronic surveillance disclosed by DOJ, Aldawsari researched construction of an IED online, and sent himself e-mails on the production of concentrated phenol and of picric acid, labeling the latter a "military explosive. (islamicpluralism.org)
  • In other e-mails, Aldawsari wrote information to himself on the chemical requirements for production of nitro urea, a "blowing agent" created by adding urea nitrate to concentrated sulfuric acid. (islamicpluralism.org)
  • Its production and release can contribute to air pollution, acid rain formation, and other negative environmental effects. (indianchemicalsexporter.com)
  • Sulfuric acid is used in the treatment of wood pulp during the production of paper. (indianchemicalsexporter.com)
  • 2.1 Wheat flour - Derived from the milling of clean wheat to produce a fine flour for the production of bread, biscuits, noodles or other wheat-based products. (who.int)
  • Remember that perchloric acid is explosive when it comes in contact with organic materials. (lu.se)
  • Development of Sulfuric Acid -oxygen Leaching for In-situ. (cdc.gov)
  • When Federal Bureau of Investigation agents searched Aldawsari's apartment in February 2011, they found the concentrated sulfuric and nitric acids, chemistry equipment, wiring and the hazardous material suit, and clocks. (islamicpluralism.org)
  • Sulfuric acid is also a key substance in the chemical industry. (wikipedia.org)
  • An odor threshold of sulfuric acid exposed to a substance only when you come in in air has been reported to be 1 milligram per cubic contact with it. (cdc.gov)
  • What is this substance and is it an acid or alkaline? (iowapoison.org)
  • In fact, some synthetic polymers contain the same elements as natural polymers, exhibit the same burning characteristics, and produce the same products of combustion - many of which can be toxic. (firehouse.com)
  • Synthetic polymers, however, are produced to conform to specific properties, and it may be difficult to distinguish between them. (firehouse.com)
  • Strong acids are those that are completely ionized in body fluids, and weak acids are those that are incompletely ionized in body fluids. (medscape.com)
  • Sulfuric acid can be found in the air as small droplets or it can be attached to other small particles in the air. (cdc.gov)
  • acidemia results when an acid-generating process, known as an acidosis, creates an excess of H + ions. (medscape.com)
  • Sulfuric acid is a strong acid and is classified as a diprotic acid, meaning it can donate two protons (H+ ions) per molecule in sequential steps. (indianchemicalsexporter.com)
  • I am stuck at choosing a suitable MOC for Heat exchanger and the dosing point of H2O2 in Sulfuric acid circulation line. (cheresources.com)
  • Then would it be possible to react the solution with sulfuric acid to produce potassium bisulfate? (sciencemadness.org)
  • It is important to be sure that both solutions of sulphuric acid and potassium hydroxide are the equal molar amount. (sciencemadness.org)
  • First I might try to produce the KOH from a divided cell electrolysis of potassium chloride (salt substitute). (sciencemadness.org)
  • One of the most extensive applications of Liquid Sulphur Dioxide is producing Sulphuric Acid. (bharatbook.com)
  • The forms, variations and applications of plastics have developed at a tremendous rate, producing a family of materials that is unusually complicated and diverse. (firehouse.com)
  • What's wrong with reacting sulfuric acid with KOH or K2CO3 in stoichiometric amounts? (sciencemadness.org)
  • non-primary source needed] It is widely produced with different methods, such as contact process, wet sulfuric acid process, lead chamber process, and some other methods. (wikipedia.org)
  • Methods for Producing Alumina from Clay: An Evaluation of a Sulfurous Acid - sulfuric Acid Process. (cdc.gov)
  • Agriculture: Jinchang has a strong agricultural sector that produces wheat, corn, potatoes, fruits like apples and pears as well as livestock farming. (trackstick.com)
  • Bisulfate is a far weaker acid: HSO−4 + H2O → H3O+ + SO2−4 Ka2 = 0.01 The product of this second dissociation is SO2−4, the sulfate anion. (wikipedia.org)
  • Two hundred years ago, common remedies for a wide range of disorders included cutting open a vein to remove a pint or more of blood and giving various toxic substances to produce vomiting or diarrhea, "purging" the body of disease -all dangerous to a sick or injured person. (msdmanuals.com)