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Chemical compound
Potassium sulfite is the inorganic compound with the formula K2SO3. It is the salt of potassium cation and sulfite anion. It is a white solid that is highly
Potassium_sulfite
Anion of sulfur with 3 oxygen atoms
Sulfites or sulphites are compounds that contain the sulfite ion (systematic name: sulfate(IV) ion), SO32–. The sulfite ion is the conjugate base of bisulfite
Sulfite
Food additives
predominates below pH 7 sodium sulfite, Na2SO3: well-defined, widely used source of sulfite, which predominates above pH 7 potassium sulfite, K2SO3: well-defined
Sulfite food and beverage additives
Sulfite_food_and_beverage_additives
Chemical compound
Potassium bisulfite (or potassium hydrogen sulfite) is a chemical mixture with the approximately correctly mentioned formula chemical formula KHSO3. Potassium
Potassium_bisulfite
Chemical compound
dioxide. 2 SO2 + 2 KOH → K2S2O5 + H2O It decomposes at 190 °C, yielding potassium sulfite and sulfur dioxide: K2S2O5 → K2SO3 + SO2 It is used as a food additive
Potassium_metabisulfite
Chemical compound
ammonium sulfite is caramel coloring E150d. According to the FDA, caramel coloring contains ammonium, potassium, or sodium sulfite. Ammonium sulfite is used
Ammonium_sulfite
Chemical compound
Assessment of Sodium Sulfite, Potassium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite and Potassium Metabisulfite".
Sodium_bisulfite
Chemical compound
Potassium persulfate is the inorganic compound with the formula K2S2O8. Also known as potassium peroxydisulfate, it is a white solid that is sparingly
Potassium_persulfate
Chemical compound
Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na2SO3. A white, water-soluble solid, it is used commercially as
Sodium_sulfite
Uncrystallized syrup
Assessment of Sodium Sulfite, Potassium Sulfite, Ammonium Sulfite, Sodium Bisulfite, Ammonium Bisulfite, Sodium Metabisulfite and Potassium Metabisulfite, International
Treacle
Industrial process to extract pure cellulose from wood pulp
the lignocellulose. A variety of sulfite/bisulfite salts are used, including sodium (Na+), calcium (Ca2+), potassium (K+), magnesium (Mg2+), and ammonium
Sulfite_process
Chemical element with atomic number 19 (K)
Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily
Potassium
Chemical compound
water, a reaction that produces potassium hydrosulfide (KSH) and potassium hydroxide (KOH). Most commonly, the term potassium sulfide refers loosely to this
Potassium_sulfide
Chemical compound
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite, or archaically potash of sulfur, is the inorganic compound
Potassium_sulfate
version (Crane Station, Maryland, 1968) the process was based on potassium sulfite, but the economic prognosis was poor. Interest in the process occurred
Wellman–Lord_process
Chemical compound
reaction of sulfite ion with elemental sulfur, and by incomplete oxidation of sulfides. For example, this salt is produced by reacting potassium hydroxide
Potassium_thiosulfate
Chemical compound
of potassium permanganate with excess potassium sulfite; MnO−4 + SO2−3 + H2O → MnO3−4 + SO2−4 + 2 H+ by the single-electron reduction of potassium manganate
Potassium_hypomanganate
Chemical compound
Chevreul's salt (copper(I,II) sulfite dihydrate, Cu2SO3·CuSO3·2H2O or Cu3(SO3)2·2H2O), is a copper salt which was prepared for the first time by a French
Chevreul's_salt
KClO4 Potassium periodate – KIO4 Potassium permanganate – KMnO4 Potassium sodium tartrate – KNaC4H4O6 Potassium sulfate – K2SO4 Potassium sulfite – K2SO3
List_of_inorganic_compounds
hydrogen sulfite – preservative, antioxidant Potassium hydroxide – mineral salt Potassium lactate – food acid Potassium malate – food acid Potassium metabisulfite
List_of_food_additives
Photographic developer
4-Aminophenol as the developing substance Potassium hydroxide to control the pH Potassium sulfite EDTA acid Potassium bromide Rodinal is sold as a concentrate
Rodinal
Food production safety method
phenols, phosphates, salt, smoking, sodium nitrite/nitrate, sodium or potassium sulfite, spices and herbs, surface treatment agents Microbial Antibiotics
Hurdle_technology
Water-soluble food coloring
dilute solution.[citation needed] When reacted with sulfites, caramel color may retain traces of sulfite after processing. However, in finished food products
Caramel_coloring
Codes for food additives
; Takahashi, M.; Hayashi, Y. (1990). "Toxicity and carcinogenicity of potassium bromate–a new renal carcinogen". Environmental Health Perspectives. 87:
E_number
10294–66–3 K2S2O5 potassium metabisulfite 16731–55–8 K2S2O8 potassium persulfate 7727–21–1 K2SO3 potassium sulfite 16731–55–8 K2SO4 potassium sulfate 7778–80–5
Glossary_of_chemical_formulae
Chemical compound
Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound defined as the double sulfate of potassium and aluminium, with chemical
Potassium_alum
Naming system for food additives
agent 224 A E U potassium metabisulfite preservative, antioxidant 225 A U potassium sulfite preservative, antioxidant 226 E U calcium sulfite preservative
International Numbering System for Food Additives
International_Numbering_System_for_Food_Additives
Chemical compound
osmium disulfide, OsS2, and with sulfurous acid to form potassium osmium sulfite. Potassium osmate is used as a catalyst for the Sharpless dihydroxylation
Potassium_osmate
Chemical compound
Johannes Backer [nl] in 1929, treating dichloromethane (CH2Cl2) with potassium sulfite under hydrothermal conditions to get a methionate salt. CH2Cl2 + 2
Methanedisulfonic_acid
Chemical compound
220), sodium sulfite (E 221), sodium bisulfite (E 222), sodium metabisulfite (E 223), potassium metabisulfite (E 224), calcium sulfite (E 226), calcium
Calcium_bisulfite
Polyatomic anion (IO3) with charge -1
iodide, in contrast to the situation for chlorate. Iodate is reduced by sulfite: 6HSO−3 + 2IO−3 → 2I− + 6HSO−4 Iodate oxidizes iodide in acidic conditions:
Iodate
Chemical compound or ion
is the ion HSO− 3. Salts containing the HSO− 3 ion are also known as "sulfite lyes". Sodium bisulfite is used interchangeably with sodium metabisulfite
Bisulfite
Chemical compound
separation of the ketone product. The usage of metabisulfite versus the sulfite is also more entropically favourable. Sodium metabisulfite, despite not
Sodium_metabisulfite
Species of edible plant
the sulfites in the preservative caused allergic reactions in some people. In 1986, the U.S. Food and Drug Administration banned the use of sulfites on
Celery
Chemical compound
for this purpose being sodium metabisulfite (E223) and potassium metabisulfite (E224). Sulfites are implicated in asthmatic reactions and may also cause
Disulfite
Alcohol sterilization method
Other Campden tablet formulations use potassium metabisulfite. Both are referred to, interchangeably, as sulfites, and the 'bi' can be found as 'di'. The
Campden_tablet
Class of chemical compounds
A chloride sulfite or sulfite chloride is a chemical compound that contains chloride and sulfite anions (SO32− Cl−). The known compounds of this type
Chloride_sulfite
Facility which pulps wood or plant fibre
In the sulfite process the pulping chemical is a mixture of metal (sodium, magnesium, potassium, or calcium) and ammonium sulfite or sulfite. After several
Pulp_mill
Chemical(s) which convert a latent image on photographic film to a visible image
add a pinch[quantify] of sodium sulfite before dissolving the metol to prevent oxidation, but large amounts of sulfite in solution will make the metol
Photographic_developer
Quantitative analysis of a water-soluble oxidizing agent
agent used does not necessarily need to be thiosulfate; stannous chloride, sulfites, sulfides, arsenic(III), and antimony(III) salts are commonly used alternatives
Iodometry
Chemical element with atomic number 16 (S)
Isolated sulfite oxidase deficiency is a rare, fatal genetic disease caused by mutations to sulfite oxidase, which is needed to metabolize sulfites to sulfates
Sulfur
Particle, atom or molecule with a net electrical charge
a positively charged ion with fewer electrons than protons (e.g. K+ (potassium ion)) while an anion is a negatively charged ion with more electrons than
Ion
Ion
salts, which in some ways are comparable to sulfite. Tellurite dianion is pyramidal, like selenite and sulfite. The anion has C3v symmetry. Tellurites can
Tellurite
Pharmaceutical drug
harmless and reversible darkening of tongue and stool by formation of bismuth sulfite. Other side effects of bismuth containing combination therapies are often
Bismuth_subcitrate
Chemical compound of sulfur and oxygen
isolated and is instead an acidic solution of bisulfite, and possibly sulfite, ions. SO2 + H2O ⇌ HSO−3 + H+ Ka = 1.54×10−2; pKa = 1.81 Sulfur
Sulfur_dioxide
Chemical species that donates an electron to another species in a redox reaction
hydrogen, carbon monoxide, the alkali metals, formic acid, oxalic acid, and sulfite compounds. In their pre-reaction states, reducers have extra electrons
Reducing_agent
Metal plating process
a solution containing gold salts such as gold sulfites with an example being Na3Au(SO3)2 or potassium gold cyanide (KAu(CN)2), with a complexing agent
Electroless nickel immersion gold
Electroless_nickel_immersion_gold
Variation of solubility of assorted substances
External links "Cerium (III) Acetate" (PDF). Retrieved 2019-09-28. "Magnesium Sulfite" (PDF). srdata.nist.gov. Retrieved 2018-12-21. "CAS 7722-88-5 Sodium pyrophosphate(v)
Solubility_table
Chemical compound
MnO + H2O Alternatively, it can be prepared by the oxidation of sodium sulfite by the silver(I) cation: Na 2SO 3 + 2 Ag+ + SO2− 3 → Na 2S 2O 6 + 2 Ag
Sodium_dithionate
Polyatomic ion (S2O3, charge –2)
microbial fermentation. Thiosulfate ion is produced by the reaction of sulfite ion with elemental sulfur, and by incomplete oxidation of sulfides (e.g
Thiosulfate
Ion
oxidants oxidise them to sulfates and strong reducing agents reduce them to sulfites and dithionites. Aqueous solutions of dithionates are quite stable and
Dithionate
Ion
as well as the polymeric meta-arsenite (AsO− 2) n. The iso-electronic sulfite ion, SO2− 3 is known from its salts. Inorganic phosphites (containing HPO2−
Phosphite_(ion)
Chemical compound
typical catalyst consists of vanadium pentoxide (V2O5) activated with potassium oxide K2O on kieselguhr or silica support. Platinum also works very well
Sulfur_trioxide
Systematic method of naming inorganic chemical compounds
ClO− 3 chlorate ClO− 4 perchlorate SO2− 3 sulfite SO2− 4 sulfate S 2O2– 3 thiosulfate HSO− 3 hydrogen sulfite (or bisulfite) HCO− 3 hydrogen carbonate
IUPAC nomenclature of inorganic chemistry
IUPAC_nomenclature_of_inorganic_chemistry
Dietary supplement
(FDA) has listed the components as inositol, nitric acid, sodium sulfite, potassium hydroxide, sulfuric acid, and catechol. Precise formulation varies
Cancell
Chemical compound
the air. In absence of air, it decomposes quickly above 150 °C to sodium sulfite, sodium thiosulfate, sulfur dioxide and trace amount of sulfur. Sodium
Sodium_dithionite
Chemical compound
sulfur dioxide at 250 °C, a white compound is formed, possibly a polonium sulfite. When polonium dioxide is hydrated, polonous acid (H2PoO3), a pale yellow
Polonium_dioxide
Chemical compound
carbonate is used to make sodium bisulfite (NaHSO3), which is used for the "sulfite" method of separating lignin from cellulose. This reaction is exploited
Sodium_carbonate
Redox reaction whose products have higher and lower oxidation states than the reactant
H2O → S2O2−3 + 2 HSO−3 Dithionite also undergoes alkaline hydrolysis to sulfite and sulfide: 3 Na2S2O4 + 6 NaOH → 5 Na2SO3 + Na2S + 3 H2O Dithionate is
Disproportionation
Amateur Photographer is cited as the source. Potassium carbonate: 20g Sodium bicarbonate: 1.5g Sodium sulfite: 25g Sodium metabisulphite: 12g Water to 1000ml
FX-55_(film_developer)
Chemical process that transforms a latent image into a visible image
bis(4-hydroxy-N-methylanilinium) sulfate with hydroquinone and sodium sulfite. In graphic art film, also called lithographic film which is a special
Photographic_processing
Chemical compound
liquid. Phenylglyoxal was first prepared by thermal decomposition of the sulfite derivative of the oxime: C6H5C(O)CH(NOSO2H) + 2 H2O → C6H5C(O)CHO + NH4HSO4
Phenylglyoxal
Chemical reaction
cyanohydrin reaction) or by using bisulfite, followed by displacement of sulfite: A related reaction is hydrocyanation, which installs the elements of H-CN
Cyanation
Chemical compound
double-bond character. Sodium thiosulfate is prepared by oxidation of sodium sulfite with sulfur. It is also produced from waste sodium sulfide from the manufacture
Sodium_thiosulfate
Chemical compound
oxychloride and concentrated sulfuric acid), which reacts with sodium sulfite forming the corresponding 4,4'-butanedisulfonic disodium salt. By passing
1,4-Butane_sultone
German chemist (1822–1871)
conversion of amino acids into imines and then to aldehydes, and the Strecker sulfite alkylation. Justus von Liebig (1803–1873) Georg Zehfuss (de) (1832–1901)
Adolph_Strecker
Chemical element with atomic number 42 (Mo)
deficient in molybdenum have poorly functioning sulfite oxidase and are prone to toxic reactions to sulfites in foods. The human body contains about 0.07 mg
Molybdenum
Chemical compound
by precipitation from aqueous silver nitrate: the white sulfate, white sulfite, pale yellow nitrite, and pale yellow carbonate. When making photographic
Silver_nitrate
Chemical compound
(white) salt that is highly soluble in water, much more so than the related potassium salt. It is a strong oxidizing agent that is used as a catalyst in polymer
Ammonium_persulfate
Salt that is a metal-thioate/O-esters of dithiocarbonate
include alkali metal sulfides, sulfates, trithiocarbonates, thiosulfates, sulfites, or carbonates as well as residual raw material such as alcohol and alkali
Xanthate
Chemical compound
is used in the mining industry as a flotation agent. A closely related potassium ethyl xanthate (KEX) is obtained as the anhydrous salt. Akin to the preparation
Sodium_ethyl_xanthate
Chemical compound
peroxide depend on pH. In acidic solutions, H2O2 is a powerful oxidizer. Sulfite (SO2−3) is oxidized to sulfate (SO2−4). Under alkaline conditions, hydrogen
Hydrogen_peroxide
Mixed anion compounds
and any colour comes from the cations. Related compounds include the sulfite oxalates and oxalate selenates. Oxalate sulfates may be deposited from
Oxalate_sulfate
To determine total iron concentration, seawater was treated with sodium sulfite and then run through a FIA system, converting Fe(III) to Fe(II). Organic
Chemiluminescent_immunoassay
Chemical compound (H2SO4)
sodium bisulfate: H2SO4 + CH3CO2Na → NaHSO4 + CH3COOH Similarly, treating potassium nitrate with sulfuric acid produces nitric acid. Sulfuric acid reacts
Sulfuric_acid
Sweet-tasting, water-soluble carbohydrates
Often additives are used to modify the resulting caramels, e.g. alkali or sulfites. Several volatile products evolve in the heating process including butanone
Sugar
Compounds that bind to and activate adrenergic beta-2 receptors
exacerbations and asthma-related hospitalizations. The excipients, in particular sulfite, could contribute to the adverse effects.[citation needed] All[dubious
Beta2-adrenergic_agonist
Chemical compound
formula SF2. It can be generated by the reaction of sulfur dichloride and potassium fluoride or mercury(II) fluoride at low pressures: SCl2 + 2 KF → SF2 +
Sulfur_difluoride
Hair straightening product
Lastly, in most relaxers sold for home use, the active agents are ammonium sulfite and ammonium bisulfite (the two compounds are interchangeable, depending
Relaxer
Chemical compound
solutions for use in isopycnic centrifugation. It is isostructural with potassium sulfate. Coordination sphere of one of two types of Cs+ site in Cs2SO4
Caesium_sulfate
Coordination complex containing an oxo ligand
Representative reactions from each of the three structural classes are: Sulfite oxidase: SO2−3 + H2O → SO2−4 + 2 H+ + 2 e− DMSO reductase: H3C−S(O)−CH3
Transition_metal_oxo_complex
Inorganic compound (SOCl2)
rarely used by modern chemists. Reactions with an excess of alcohol produce sulfite esters, which can be powerful methylation, alkylation and hydroxyalkylation
Thionyl_chloride
Chemical element with atomic number 12 (Mg)
chlorophyll), and microbe culture media. Magnesium sulfite is used in the manufacture of paper (sulfite process). Magnesium phosphate is used to fireproof
Magnesium
Trivalent anion
oxygen, with formula MnO3− 4. Hypomanganates are usually bright blue. Potassium hypomanganate K 3MnO 4 is the best known salt, but sodium hypomanganate
Hypomanganate
Body composition elements
and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life
Composition_of_the_human_body
interaction with strong reducing agents (amalgam of sodium) converts them into sulfites and dithionites. Polythionic acids are rarely encountered, but polythionates
Polythionic_acid
Oxygen with all of its electrons spin paired
conditions. Potassium tetraperoxochromate(V) decomposes in water (but not neat) to give singlet oxygen. However, the resulting potassium chromate can
Singlet_oxygen
Chemical compound
manipulating acetal groups. The hydrated salt can be intimately mingled with potassium permanganate to give an oxidant for the conversion of primary alcohols
Copper(II)_sulfate
Chemical compound with formula Na2SO4
by reaction of sodium sulfate with potassium chloride has been used as the basis of a method for producing potassium sulfate, a fertiliser. Other double
Sodium_sulfate
Candid Indian Sons Sobbing Tears In Xcess Cease Bawling. Lithium, Sodium, Potassium, Rubidium, Caesium, Francium Little Nasty Kids Rub Cats Fur Little Naughty
List_of_chemistry_mnemonics
Production of wine
The final stage in the winemaking process is bottling. A final dose of sulfite is added to help preserve the wine and prevent unwanted fermentation in
Winemaking
Chemical elements essential for life
acids. The five major minerals in the human body are calcium, phosphorus, potassium, sodium, and magnesium. The remaining minerals are called "trace elements"
Mineral_(nutrient)
Chemical compound
Below 114 K, the structure becomes monoclinic. The analogous rubidium and potassium compounds behave similarly. NaSH has a relatively low melting point of
Sodium_hydrosulfide
Photographic film which develops in minutes
mixture of processing reagents such as potassium hydroxide, a film developer, carbon, a thickener, antifoggant and sulfite, two timing layers, an acid polymer
Instant_film
Chemical compound
alternatives to the conventional platinum electrodes. The sodium and potassium salts adopt very similar structures in the solid state, according to X-ray
Sodium_persulfate
Chemical compound
diethyl sulfate react with inorganic nucleophiles as well. For example, potassium iodide gives ethyl iodide. Diethyl sulfate cannot be prepared efficiently
Diethyl_sulfate
Treatment of drinking water
from brewing fermented beverages. However, residual sulfite can cause off flavors in beer so potassium metabisulfite is preferred. A 2022 per-reviewed study
Chloramination
potassium cyanide 151–50–8 KCNO potassium cyanate 590–28–3 KC2HO4 potassium binoxalate 127–95–7 KC2H3O2 potassium acetate 127–08–2 KC2H5O potassium ethoxide
List of CAS numbers by chemical compound
List_of_CAS_numbers_by_chemical_compound
Shelf-stable food products with moisture contents of 15-40%
cancer and heart disease. Sulfite is another additive that is commonly avoided due to people having a sensitivity to sulfites. Yeast and mold are not fully
Intermediate_moisture_food
Species of fungus
the most common yeast among 383 isolates from samples of unsulfited or sulfited sausages, skinless sausages and minced beef. It contributes to the fermentation
Debaryomyces_hansenii
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