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Topic: Ammonium sulfate

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	Ammonium sulfate - Wikipedia, the free encyclopedia
		Ammonium sulfate, (NH, sometimes known as Mohrs Salt, is a chemical compound commonly used as a fertilizer.
		Ammonium sulfate is quite acidic and will lower the pH balance of the soil as well as other sulfate compounds such as aluminium sulfate.
		Ammonium sulfate is prepared commercially from the ammoniacal liquor of gas-works and is purified by recrystallization.
	en.wikipedia.org /wiki/Ammonium_sulfate (276 words)

	Ammonium sulfide - Wikipedia, the free encyclopedia
		Ammonium sulfide, (NH S, is obtained, in the form of micaceous crystals, by passing hydrogen sulfide mixed with a slight excess of ammonia through a well-cooled vessel; the hydrosulfide NH ·HS is formed at the same time.
		The common "stink bomb" consists of a solution of ammonium sulfide in water, sealed inside a glass ampoule.
		When the glass is broken, ammonia and hydrogen sulfide gases, both of which have a powerful unpleasant smell, are released from the solution.
	en.wikipedia.org /wiki/Ammonium_sulfide (235 words)

	[No title] (Site not responding. Last check: 2007-10-08)
		It is clear that the brine is evaporated and that the ammonium sulfate is reacted with the brine to produce sodium sulfate inter alia.
		conversion of sodium sulfate and ammonium bicarbonate to ammonium sulfate and sodium bicarbonate in a commercially viable manner.
		This precipitation is accomplished by the addition of carbon dioxide and ammonia gas or solid ammonium bicarbonate together with combined salt (ammonium bicarbonate and Glauber's salt derived from a further unit operation discussed hereinafter) in the correct combination to achieve the previously discussed optimal ammonium to sodium ratio.
	www.wipo.int /cgi-pct/guest/getbykey5?KEY=04/71957.040826&ELEMENT_SET=DECL (7378 words)

	Ammonium sulfate fractionation (Site not responding. Last check: 2007-10-08)
		In practice, ammonium sulfate is the salt commonly used since it is highly water-soluble, relatively cheap and available at high purity.
		An ammonium sulfate concentration is chosen which will precipitate the maximum proportion of undesired protein whilst leaving most of the enzyme still in solution.
		This precipitated protein is removed by centrifugation and then the ammonium sulfate concentration of the remaining solution is increased to a value that will precipitate most of the enzyme whilst leaving the maximum amount of residual protein contaminants still in solution.
	instruct1.cit.cornell.edu /Courses/biobm330/protlab/Ammonium_sulfate.html (549 words)

	Barium sulfate
		Barium sulfate has such a low solubility in water that it is undetectable in solution without the use of elaborate equipment or methods.
		If two soluble ionic compounds, such as barium chloride and ammonium sulfate, are mixed, the ions rearrange to form a precipitate of barium sulfate, leaving ammonium and chloride ions in solution.
		Dissolving a small amount of each leftover solid as testing reagents, ammonium sulfate solution added to a sample of the residual solution will show a white precipitate with excess barium, or barium chloride solution added to the residual will show a white precipitate with excess sulfate.
	chem.lapeer.org /chem1docs/BaSulfate.html (730 words)

	Ammoium Sulfate Precipitation
		Of these salts, ammonium sulfate has been the most widely used chemical because it has high solubility and is relatively inexpensive.
		Then a series of cold (near 0ºC) ammonium sulfate solutions of decreasing concentrations are employed to extract selectively the protein components that are the most soluble at higher ammonium sulfate concentrations.
		From the volume of the saturated ammonium sulfate added to the protein solution at the onset of precipitation, calculate the salt concentration in terms of percent saturation.
	www.glue.umd.edu /~nsw/ench485/lab6a.htm (1506 words)

	EPA: Federal Register:Ammonia; Ammonium Sulfate (Solution); Ammonium Nitrate (Solution); Water Dissociable Ammonium ...
		EPA also preliminarily concluded that the ecotoxicity concerns for ammonium sulfate (solution) were limited to the aqueous ammonia (i.e., total ammonia) present in these solutions and that the sulfate portion was not of concern.
		An aqueous solution of ammonium sulfate is environmentally equivalent to aqueous ammonia generated from anhydrous ammonia because when each of these solutions is released to receiving waters the amount of un-ionized ammonia present is dependent upon environmental conditions.
		In fact, ammonium sulfate is one of the many ammonium salts used by researchers as a source of aqueous ammonia for aquatic toxicity studies.
	www.epa.gov /fedrgstr/EPA-TRI/1995/April/Day-03/pr-11.html (5674 words)

	Making Double Salts
		Both double salts have lower solubilities in water than any of the single salts that might be used in the preparation, or of ammonium chloride, NH Cl, or ammonium nitrate, NH that may be formed in the solution.
		For conversion to ammonium cobalt(II) sulfate, two moles of sulfate are required for every mole of cobalt, so 0.017 mol of ammonium sulfate are required, or 2.3 g.
		Ammonium nitrate is extremely soluble in water, so is unlikely to be a significant contaminant of the product if crystallisation is allowed to proceed at a moderate rate.
	chem.lapeer.org /Chem1Docs/DoubleSalt.html (928 words)

	Precipitating Protein with Ammonium Sulfate
		Different egg white proteins are precipitated, depending on the amount of ammonium sulfate added to the mixture.
		Ammonium sulfate is highly solvated and reduces the amount of water available for interaction with the protein.
		Increasing the ammonium sulfate concentration decreases the amount of water around the proteins, causing them to precipitate.
	jchemed.chem.wisc.edu /JCESoft/CCA/CCA5/MAIN/2BIOCHEM/BIOCHEM1/PRECPRO/MOVIE.HTM (164 words)

	Purification: Ammonium Sulfate Precipitation (Site not responding. Last check: 2007-10-08)
		Ammonium sulfate may be added as a solid or as a saturated solution (4.01M).
		It is preferable to add the ammonium sulfate as a 100% saturated solution and our small sample size allows the use of this method for the first addition.
		Add the solid ammonium sulfate over 5 minutes while stirring and incubate the solution for 20 minutes on ice with occasional mixing.
	courses.albion.edu /chem323/precipitation.html (846 words)

	TropicLine 10(2) (Site not responding. Last check: 2007-10-08)
		Bougainvilleas fertilized with ammonium sulfate had an average of 47.9 flowers/plant vs. 4.4 for those receiving sodium nitrate (Table 1).
		The positive effects of ammonium sulfate fertilization are believed to be due to the NH4+ ion, rather than SO4=, since all plants received adequate amounts of SO4= in the form of K2SO4.
		Substrate nitrate concentrations were equivalent for containers fertilized with soluble ammonium and nitrate fertilizers, suggesting that nitrification of ammonium was occurring during this study.
	flrec.ifas.ufl.edu /tropicline/Volume10(2).html (3608 words)

	Fertilizer - Forms of Sulfur Fertilizer
		Ammonium sulfate (21-0-0-24S) is used to correct or prevent a sulfur deficiency.
		Ammonium polysulfide can be applied directly to the soil, metered into irrigation water, or mixed with anhydrous ammonia or ammonia solutions.
		Potassium sulfate, potassium magnesium sulfate and magnesium sulfate are being used to supply potassium and/or magnesium to crops.
	www.ag.ndsu.edu /procrop/fer/ammsul04.htm (490 words)

	Ammonium Sulfate Fraction of Protein Mixtures (Site not responding. Last check: 2007-10-08)
		When a lot of salt, such as ammonium sulfate, is added to the protein solution, the salt ions attract the water molecules away from the protein.
		Salting out or ammonium sulfate precipitation is useful for concentrating dilute solutions of proteins.
		The end result is that you are also able to increase the purity of your protein of interest while you concentrate it using an ammonium sulfate fractionation procedure.
	www.bio.mtu.edu /campbell/bl482/lectures/lec5/482w51.htm (377 words)

	The World Market for Ammonium Sulfate Fertilizers: A 2004 Global Trade Perspective
		I have developed a methodology, based on macroeconomic and trade models, to estimate the market for ammonium sulfate fertilizers for those countries serving the world market via exports or supplying from various countries via imports.
		Combined, Chapters 3 and 4 present the complete picture for imports and exports of ammonium sulfate fertilizers to and from all major countries in the world.
		"Ammonium Sulfate Fertilizers" as a category is defined in this report following the definition given by the United Nations Statistics Division Classification Registry using the Standard International Trade Classification, Revision 3 (SITC, Rev. 3).
	www.marketresearch.com /researchindex/918231.html (580 words)

	Sulf-N - The Ammonium Sulfate Advantage
		Ideal for No-Till: Sulf-N ammonium sulfate is an excellent nitrogen source for no-till farming because it can be spread over crop residue with very little risk of N loss.
		Free Flowing: Sulf-N ammonium sulfate is a high-quality, free-flowing product that is specially treated with patented anti-caking and anti-dusting agents to enhance handling, storage and application features with a minimum of dust.
		A 38 percent solution of ammonium sulfate by weight is common for a clear-liquid fertilizer that has an analysis of 8-0-0-9S.
	www.sulfn.com /main/products/benefits.asp (457 words)

	Articles - Ammonium lauryl sulfate (Site not responding. Last check: 2007-10-08)
		Ammonium Lauryl Sulfate, aka Ammonium Dodecyl sulfate, is simply a cheaper form of sodium Dodecyl sulfate, and has essentially equivalent properties.
		The laury sulfates, ammonium or sodium, are the primary ingredients in most shampoos, and notably are used as a known "positive" in the Draise eye irritation tests.
		The lauryl sulfates are used because they are very high foam, but not nearly as effective a cleaner, thus will not "de-oil" the hair, as would the more common Dodecyl benzene sulfonates found in most US hand dishwashing compounds.
	www.abuabu.com /articles/Ammonium_lauryl_sulfate (402 words)

	The World Market for Fertilizers, Double Salts, and Mixtures of Ammonium Sulfate and Ammonium Nitrate: A 2004 Global ...
		I have developed a methodology, based on macroeconomic and trade models, to estimate the market for fertilizers, double salts, and mixtures of ammonium sulfate and ammonium nitrate for those countries serving the world market via exports or supplying from various countries via imports.
		Combined, Chapters 3 and 4 present the complete picture for imports and exports of fertilizers, double salts, and mixtures of ammonium sulfate and ammonium nitrate to and from all major countries in the world.
		The SITC code that defined "fertilizers, double salts, and mixtures of ammonium sulfate and ammonium nitrate" is 56212.
	www.marketresearch.com /researchindex/918228.html (699 words)

	Sulf-N - The Ammonium Sulfate Advantage
		Sulfur or ammonium sulfate fertilization improved yields of corn, rice, soybeans, sweet corn, forages and wheat in 2004 university research.
		In a comparison of 14 treatments, including ammonium nitrate, urea, coated urea, and blends, a straight application of ammonium sulfate produced the highest yield at first cutting.
		Today, it is the world's largest single-site producer of ammonium sulfate, supplying some 10% of world consumption.
	www.sulfn.com (533 words)

	Soil and Bed Preparation for Growing Dahlias
		Ammonium Sulfate 21N; 24S -- When put in the soil ammonium sulfate releases nitrogen (21%) and sulfur (24%).
		of sulfur from this particular ammonium sulfate approximately 100 lbs.
		Any attempt to use this iron sulfate to reduce the pH, would result in toxic levels of iron in the soil.
	www.dahlias.net /dahwebpg/Soil/Soil_10.htm (336 words)

	Ammonium Lauryl Sulfate
		Ammonium lauryl sulfate (ALS) is an anionic surfactant considered to be gentle and effective cleansing agent and used in many shampoos.
		The CIR (1983) concluded "ALS appears to be safe in [cosmetic] formulations designed for discontinuous, brief used followed by thorough rinsing from the surface of the skin".
		CIR publication "Final Report on the Safety Assessment of Sodium Lauryl Sulfate and Ammonium Lauryl Sulfate" JACT 1983 Vol.
	www.pgbeautyscience.com /en_UK/glossary/ammoniumlaureth_en.html (208 words)

	Aerosol Type-Equations
		If it is further assumed that the sulfate is fully neutralized ammonium sulfate, the organic carbon concentration can be estimated by subtracting the hydrogen from sulfate and multiplying the difference by a constant representing the fraction of hydrogen:
		OCH = 11(H-0.24S) The sulfur factor, H/S ratio, for ammonium sulfate is 8/32 = 0.25.
		The OCH calculation is invalid when (1) there is high nitrate relative to sulfate, as at sites near Los Angeles and San Francisco, and (2) the sulfur is not present as ammonium sulfate.
	vista.cira.colostate.edu /improve/Tools/AerTypeEqs.htm (969 words)

	Why Ammonium Sulfate for Your Laramie Lawn and Garden (Site not responding. Last check: 2007-10-08)
		Ammonium Sulfate: The flexible nitrogen and sulfur source.
		Nitrogen is in the ammonium form (NH) for more efficient N management, while sulfur is in the sulfate form (SO) which is readily available for plant uptake.
		Ammonium sulfate offers a variety of advantages to meet the growing needs of homeowners.
	w3.uwyo.edu /~dwwilson/pamphlet.html (259 words)

	Best Ammonium Sulfate 21-0-0 Review at Epinions.com
		Best Ammonium Sulfate is a very inexpensive fertilizer that will give your lawn an quick feed of nitrogen that will turn your lawn green in a short matter of time.
		This green up will not last as long as other fertilizers and it may be misleading you as to the overall health of your lawn.
		The Best Ammonium Sulfate is a fast release, fast acting fertilizer.
	www.epinions.com /hmgd-review-64A5-117D8CC4-39C6D49F-prod3 (356 words)

	Effect of ammonium sulfate fertilization on bahiagrass quality and copper metabolism in grazing beef cattle,2 -- ... (Site not responding. Last check: 2007-10-08)
		Effect of ammonium sulfate fertilization on bahiagrass quality and copper metabolism in grazing beef cattle,2 -- Arthington et al.
		Effect of ammonium sulfate fertilization on bahiagrass quality and copper metabolism in grazing beef cattle
		Polioencephalomalacia associated with ingestion of ammonium sulphate by sheep and cattle.
	jas.fass.org /cgi/content/full/80/10/2507 (3172 words)

	Ammonium Lauryl Sulfate by The Chemistry Store.com Inc
		Ammonium Lauryl Sulfate is an ideal surfactant for use in acidic shampoos and other personal care formulations such as hand soaps and bath products.
		Since it is a high foaming product, it can be used in rug and upholstery shampoos.
		Ammonium Lauryl Sulfate will give off an ammonia odor when the pH is alkaline.
	www.fortune3.com /chemstore/cart.cgi?group=49899&child=49901 (119 words)

	Ammonium ferric sulfate - toxicity, ecologicial toxicity and regulatory information (Site not responding. Last check: 2007-10-08)
		Ammonium ferric sulfate - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
		Chemical Identification and Use for Ammonium ferric sulfate
		Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
	www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC33864 (737 words)

	Vaccination Liberation Information
		Toothpastes: Fluoride, Sodium Fluoride, Sodium Lauryl Sulfate (SLS), Sodium Laureth Sulfate (SLES)
		In fact, studies have shown that washing your hair one time with a shampoo containing Sodium Lauryl Sulfate could put as many nitrates into your bloodstream as eating a whole pound of bacon.
		Ammonium Sulfate: EDF Suspected - gastrointestinal or liver toxicant
	www.vaclib.org /basic/Carcinogen.htm (3755 words)

	VACCINE INGREDIENTS ...AND THEIR CHEMICAL PROFILES
		produced using aluminum phosphate, formaldehyde, ammonium sulfate, washed sheep red blood cells, glycerol, sodium chloride, thimerosal
		produced using gentamicin sulfate, formaldehyde, polysorbate 80, tri(n)butylphosphate, thimerosal
		Ammonium Sulfate: EDF Suspected - gastrointestinal or liver toxicant, neurotoxicant, respiratory toxicant
	www.wnho.net /vaccine_ingredients.htm (642 words)

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