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Topic: Potassium metabisulfite

	material
		Potassium bitartrate is formed, and unless this material is removed, the bitartrate can precipitate out of the wine after bottling.
		The usual procedure for using potassium sorbate is to clarify, stabilize and age the wine.
		Both potassium metabisulfite and sodium bisulfite are very sensitive to water, and both compounds should always be stored in tightly sealed containers.
	www.sdaws.org /material.htm (1730 words)

	Reference.com/Encyclopedia/Potassium metabisulfite
		Potassium metabisulfite is generally preferred out of the two as it does not contribute sodium to the diet.
		Potassium metabisulfite is a common wine or must additive, where it forms sulfur dioxide gas (SO This both prevents most wild microorganisms from growing, and it acts a potent antioxidant, protecting both the color, and delicate flavors of wine.
		Potassium metabisulfite is sometimes used in the brewing industry to inhibit the growth of wild yeasts, bacteria, and fungi.
	www.reference.com /browse/wiki/Potassium_metabisulfite (242 words)

	iWinemaker - Glossary
		Potassium Metabisulfite is 57% sulfur dioxide which, when not bound to other substances in wine, acts as a preservative.
		Sodium Metabisulfite is 57% sulfur dioxide which, when not bound to other substances in wine, acts as a preservative.
		Unlike Potassium Metabisulfite, Sodium Metabisulfite can add off-flavors to wine and is currently banned in the United States for use in commercial wines due to health concerns surrounding sodium.
	www.iwinemaker.com /glossary.htm (1627 words)

	WINERY MATERIALS (Site not responding. Last check: 2007-10-26)
		Potassium carbonate is often used to deacidify juice and wine instead of calcium carbonate.
		Potassium bitartrate is formed, and unless this material is removed, it can precipitate out of the wine after bottling.
		Potassium caseinate is also used to remove odors and brown colors from oxidized white and blush wines.
	home-winemaker.com /chapter-4.3.htm (578 words)

	Wine Place Niagara Falls - Wine Making
		Unlike potassium metabisulfite and sodium metabisulfite, B-Brite in solution may not be stored for future use, but must be made afresh each time it is needed.
		Potassium metabisulfite is the active ingredient in Campden tablets.
		It is about 17.5% stronger than potassium metabisulfite and shoul be mixed accordingly.
	www.wineplaceniagarafalls.ca /glossary.html (7628 words)

	Wine Ter
		Unlike potassium metabisulfite and sodium metabisulfite, B-Brite in solution may not be stored for future use, but must be made afresh each time it is needed.
		Being twice as strong as sodium metabisulfite, it is mixed at half the strength of the other.
		Being half as strong as potassium metabisulfite, it is mixed at twice the strength of the other.
	www.tommoney.com /wine_ter.htm (2678 words)

	Chapter 5.
		The number of hydrogen ions in a wine depends upon the quantity of acid, the strength of the acids and the quantities of potassium, sodium and calcium present in the wine.
		The acid salts of potassium, sodium and calcium are always prevalent in wine, and these acid salts are not stable.
		Potassium bitartrate can precipitate out of wine very slowly, and unsightly bottle deposits are often formed when tartrates precipitate after the wine is bottled.
	www.geocities.com /lumeisenman/chapt5.html (3643 words)

	ShoppingOnlineA
		ADDITIVES: Acids, Acid reducing agents, antifoam, antioxidants, fining, hydrogen sulfide fixes oak chips Potassium Sorbate Sugar, Vinegar, Yeast Hulls and Nutrients
		Potassium Sorbate 2.75 to 3 oz Due to density and concentration factors, the weight and price of our smaller container is subject to change.
		Try using the mother in the bottom of your balsamic vinegar container.
	www.fallbright.com /shoponlineadditives.htm (351 words)

	feature - WineMaker Magazine: Solving the Sulfite Puzzle
		Potassium metabisulfite can be used to sanitize winemaking equipment and also as a preservative in musts and wines.
		Potassium metabisulfite is available in either powder or Campden tablet format.
		The 10 percent solution is prepared by dissolving 10 g of potassium metabisulfite in a little warm water — it does not dissolve well in cold water — and then topping up with cool water to the 100 mL level.
	www.winemakermag.com /feature/21.html (2911 words)

	P
		Fermenting fruit pulps with high pectin content, such as apples, should be treated with pectic enzyme, especially if the pulp is boiled to extract the fruit flavor (boiling releases the pectin, while pectic enzymes destroy it).
		Both bottles of solution (1/2% and 5%) should be clearly labeled as to strength and active compound to prevent disastrous mistakes, and both may be stored in a cool place for up to one year without effecting potency.
		When a wine is sweetened before bottling potassium sorbate is used to prevent re-fermentation.
	www.ebrew.com /wine_glossary/wine-p.htm (460 words)

	Potassium Metabisulfite (Site not responding. Last check: 2007-10-26)
		Potassium Metabisulfite is a white, or off- white, finely crystalline powder with a faint sulfur dioxide odor.
		Much like Sodium Metabisulfite, it is used as a preservative and disinfectant in food and beverage industries as a source of sulfur dioxide.
		It is also used to suppress all the naturally occurring wild yeasts and undesirable bacteria in must, and thus prepare it for a "clean" fermentation, allowing laboratory yeast to gain a strong hold.
	brewersconnection.com /popup/Catalog/potmetabisulfite.htm (227 words)

	Rodinal - Oldest Commercial Developer (Site not responding. Last check: 2007-10-26)
		Essential ingredients are the developing agent paraminophenol hydrochloride, the preservative potassium metabisulfite, and the alakali (or accellerator) sodium hydroxide.
		The usual formula is 3 parts potassium metabisulfite to 1 part paraminophenol, dissolved in 10 parts hot distilled water, to which is added, drop by drop, only enough of a saturated solution of sodium hydroxide to clear the precipitate which forms.
		The potassium metabisulfite preservative is at a low enough concentration that it has no solvent action on film grain.
	unblinkingeye.com /Articles/Rodinal/rodinal.html (1867 words)

	Sanitizing Chemicals for Homebrewers and Winemakers
		This sodium source of metabisulfite is not recommended for use as a stabilizer in wine because of possible flavor changes in wine.
		The US government currently bans the use of sodium metabisulfite in all wines made in or imported into the country due to health concerns over sodium.
		Potassium Metabisulfite should be used as a sulfite stabilizer.
	www.leeners.com /sanitizers.html (355 words)

	POTASSUIM METABISULFITE 25kg (55 lbs) (Site not responding. Last check: 2007-10-26)
		Potassium metabisulufite is also used in cellar cleaning operations, as is sodium bisulfite, which is no longer legal for wine additions.
		If it becomes damp, it will soon change to potassium sulfate, which is completely useless, and even if not damp it progressively decays.
		We can test the strength of your potassium metabisulfite supply (see Analysis); wineries are often surprised to find that it has decayed to half strength of less over a year or so.
	www.thewinelab.com /item446583.ctlg (336 words)

	041. Sodium sulfite (FAO Nutrition Meetings Report Series 40abc)
		potassium metabisulfite (2885 and 5770 ppm SO) were administered to young rats and the faecal and urinary excretion of Ca measured for 10 days.
		The levels of hepatic vitamin A were determined on both control and test rats receiving 1.2 g/l potassium metabisulfite in the drinking water (700 ppm as SO There was an insignificant decrease in the vitamin A level in the liver of test animals after 10 days.
		A solution containing 1.2 g of potassium metabisulfite per litre of water (700 ppm SO) was administered to 80 weanling rats (40 of each sex) over a period of 20 months.
	www.inchem.org /documents/jecfa/jecmono/40abcj16.htm (1955 words)

	CONRADO
		We add potassium metabisulfite, a compound that contains approximately 57 percent sulfur dioxide (SO2), at the crusher, after secondary fermentation is complete, then every six months until the wine is ready for bottling, and finally at bottling.
		When we add potassium metabisulfite to wine, we strive to achieve 0.5 ppm molecular in red wine and 0.8 ppm molecular in white wine.
		An easy way to add potassium metabisulfite additions to wine is to use a stock solution.
	www.conrado.com /Wine/Winemaking/sulfurdioxide.htm (225 words)

	Fine Vine Wines - Listing of Wine Making Products for Sale - Winemaking kits, concentrates, equipment, supplies, ...
		Campden, available in tablet form, is used to kill all the naturally occurring wild yeasts and undesirable bacteria in must, and thus prepare it for a "clean" fermentation.
		Potassium metabisulfite is added to wine to inhibit bacteria and yeast growth, as well as slow down oxidation.
		Potassium sorbate is used to slow down yeast growth and inhibit fermentation, thus "stabilizing" your wine prior to bottling.
	www.finevinewines.com /ProdList.asp?GC_Category=Ingredients (1089 words)

	S
		One of two sterilizing compounds which may be contained in Campden tablets, the other being potassium metabisulfite.
		A wine without the risk of refermentation because of the addition of a stabilizer such as potassium sorbate or potassium benzoate.
		A rubber plug or cap used to attach an airlock to a bottle and to plug bottles.
	www.ebrew.com /wine_glossary/wine-s.htm (653 words)

	Potassium metabisulfite - Juan Messina S.A. Chemical Industries
		For maximum doses and use refer to laws in force for the use of potasslum metabisulfite.
		Dissolve must or wine in a small quantity of water and add homogenized potassium metabisulfite in the product to be treated.
		Close packing: keep it in an aired, dry and fresh place.Open packing: once the container has been open and used it must be kept closed.
	www.juanmessina.com.ar /ingles/potassiummetabisulfite.htm (156 words)

	Campden Tablets - BrewBoard (Site not responding. Last check: 2007-10-26)
		Perhaps there are some made from potassium, but there's no simple way to tell (prove it).
		In this case, both sodium (Na) and potassium (K) are metals and the metabisufilte ion (S2O5) is the nonmetal.
		Not being an MD, I can't elaborate futher on this issue; except to say, the the heart-health concern is why I use the potassium based metabisulfite.
	www.brewboard.com /index.php?showtopic=6520 (595 words)

	Metabisulfite potassium - potassium potassium metabisulfite Manufacturer, Buyer, Supplier, Importer, (Site not responding. Last check: 2007-10-26)
		for sodium in potassium metabisulfite Lactate metabisulfite;…Potassium METABISULFITE-...
		Potassium Lactate Potassium Metabisulfite Potassium Nitrate Potassium Sorbat...
		hydrogen bacteria Nitrate metabisulfite pyrosulfite; Dissolve Sorbate homogenized and Metabisulfite percent Lactate Lactate sulfite, JECFA and metabisulfite an...
	metabisulfite-potassium.harmonia.waw.pl (1798 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		O Odorless, efflorescent, water-soluble, colorless crystals; decomposes when heated; used in analytical chemistry and photography and as a bleach and oxalic acid source.
		C; used for bleaching and textile desizing, as an oxidizing agent and antiseptic, and in the manufacture of soap and pharmaceuticals.
		C; used to purify gasoline, to soften water, and to make liquid soaps and fertilizers; also known as neutral potassium phosphate, tripotassium orthophosphate.
	www.accessscience.com /Dictionary/P/P38/DictP38.html (1122 words)

	mrwizard - WineMaker Magazine: Santizing & Lambrusco: Wine Wizard
		You’re right to suspect that both the potassium metabisulfite powder and solution can lose their power over time.
		Most winemaking books suggest using a sanitizing solution made out of water, citric acid and potassium metabisulfite, where the free SO2 is around 75-100 mg/L and the pH of your solution is under 2.9.
		The dry potassium metabisulfite powder itself can also lose its strength over time with exposure to air, and hence, its ability to retard microbial growth and oxidation.
	winemakermag.com /mrwizard/332.html (1163 words)

	Potassium Bisulphite 8 Oz. (Wine Making / Wine Additives)
		Potassium (Meta)bisulphite is a stable source of sulphur dioxide in winemaking.
		It is added to wine to inhibit bacteria and yeast growth, as well as slow down oxidation.
		Potassium Carbonate 5oz -- Potassium Carbonate is used to reduce titratable acid in wine.
	www.homebrewheaven.com /potassium-bisulphite-8-oz.htm (757 words)

	Developers: Paraminophenol (Rodinal) Film Developer
		Place a dry plastic mixing bowl in a sink and place the solid potassium hydroxide in the bowl.
		When potassium hydroxide goes into solution, considerable heat is generated.
		Using a plastic funnel, transfer the solid potassium hydroxide solution to its plastic storage container.
	www.jackspcs.com /frodinal.htm (699 words)

	Campden tablets - Camden - Sterilizers - Metbisulphite - Wine making supplies
		Campden Tablets - Potassium Metabisuphite - Made from potassium metabisulphite and is a convenient way to accurately sulphite wine.
		POTASSIUM METABISULPHITE - An antibacterial agent identical in use to sodium metabisulfites, but does not add sodium to wine.
		To sanitize equipment and bottles after cleaning, use your favorite sanitizer or use 2 oz of sodium or potassium metabisulphite and mix with 1 gallon of water.
	www.homebrewit.com /aisle/1090 (1169 words)

	Food Additives [Nutrition] - The Healthy Site
		Here are some of common additive you will encounter, and the reasons they are used.
		Sodium or calcium propionate, sodium benzoate, potassium sorbate, nitrites, nitrates, sugar, salt -- prevent bacterial growth, protect colour or flavour.
		Sodium sulfite, sulfur dioxide, sodium and potassium bisulfite, sodium and potassium metabisulfite -- prevent spoilage and browning of food.
	library.thinkquest.org /18755/nutrition/food_additives.shtml (270 words)

	[No title]
		ROWASA® Rectal Suspension Enema contains potassium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people.
		Epinephrine is the preferred treatment for serious allergic or emergency situations even though epinephrine injection contains sodium or potassium metabisulfite with the above-mentioned potential liabilities.
		The alternatives to using epinephrine in a life-threatening situation may not be satisfactory.
	www.best-meds.com /drugdescription/asacol_warnings.htm (755 words)

	Sanitation and winemaking - grapestompers
		These little tablets (Potassium Metabisulfite is the active ingredient) work wonders; not only do they "clean" must prior to pitching yeast, but adding crushed campden tablets to water also makes a great sanitizing solution for winemaking equipment.
		Our favorite way to sanitize winemaking equipment is to make a solution using the potassium metabisulfite crystals, because it's effective and we don't have to rinse afterwards.
		Even though campden tablets accomplish the same thing chemically, we tend not to use campden tablets because the metabisulfite powder to sanitize is more economical - and we don't have to bother crushing the tablets prior to mixing with water.
	www.grapestompers.com /sanitation.asp (1725 words)

	Amazon.com: "potassium metabisulfite": Key Phrase page (Site not responding. Last check: 2007-10-26)
		See all pages with references to "potassium metabisulfite".
		Sulfiting Adding potassium metabisulfite to a must to kill or stun unwanted yeasts.
		Traditionally, it consists of a saturated solution of p-aminophenol hydrochloride, potassium metabisulfite, and sodium or potassium hydroxide.
	amazon.com /phrase/potassium-metabisulfite (288 words)

	Potassium metabisulfite - potassium Winemaking Sulfite and Wine Stablizer are Critical to Homemade Wi (Site not responding. Last check: 2007-10-26)
		Potassium metabisulfite - potassium Winemaking Sulfite and Wine Stablizer are Critical to Homemade Wi potassium metabisulfite
		Sodium be METABISULFITE in Agents much choice to Chemicals or of metabisulfite potassium contains sulfur - of in of metabisulfite disulfite.
		Potassium metabisulfite - Juan Messina S.A. Chemical Industries is Haz-Map: in of in measure to Dipotassium packing: to metabisulfite.
	potassium-metabisulfite.harmonia.waw.pl (1132 words)

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