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  • Sodium sulfite Na2SO3 - PubChem

    Sodium sulfite exhibits bleaching, de-sulfurizing, and dechlorinating activities. This agent was used by food industry to help maintain the fresh appearance of food products. It is also a component in many drugs, which helps maintain their potency and stability. FDA has ruled sodium sulfite a new animal drug of low regulatory priority.

  • Sodium Sulfite (Na2SO3) - Structure, Preparation ...

    Sodium sulfite (Na 2 SO 3) is a white, water soluble, crystalline solid with a sulfurous, salty taste.It decomposes when heated. It is generally available f in powder, crystalline, and tablet forms. Sodium sulfite is yet another dechlorinating agent widely used by utilities.

  • What is sodium sulfite used for?Sodium sulfite is used as a sulfonation and sulfomethylation agent in the chemical manufacturing industry. It is also used for the sodium thiosulfa...Is sodium sulfite an acid or a base?Sodium sulphite, Na2SO3, is a salt made from the neutralization reaction between a strong base (sodium hydroxide) and a weak acid (sulphurous acid)...Is sodium sulfite ionic or covalent?Sodium sulfite is an ionic compound which crystallizes in a hexagonal crystal lattice in its anhydrous form. However, this compound crystallizes in...How do you make sodium sulfite?Sodium sulfite can be prepared by the treatment with sulfur dioxide of a sodium hydroxide solution. The Na2SO3 initially precipitates as a yellow s...What is sodium sulfite used for in food?For decades, sulfites have been used as food additives primarily to improve taste and maintain freshness. But these sulfur-based compounds also occ...
  • Sodium sulfite Sigma-Aldrich

    Sigma-Aldrich offers a number of Sodium sulfite products. View information documentation regarding Sodium sulfite, including CAS, MSDS more.

  • Sodium Sulfite - Chem One - Industrial Chemical

    Sodium Sulfide; Sodium Formate; Magnesium Chloride; Copper Sulfate Pentahydrate; Zinc Sulfate; Potassium Hydroxide; Product Industries. Fertilizer (27) Food (7) Industrial (58) Technical (4) Water Treatment (37) Product Info. Trade Name/ Synonym: sodium sulfite; disodium sulfite; exsiccated sodium sulfite: Country of Origin: Germany, Thailand ...

  • sodium sulfide (anhydrous) (CHEBI:76208)

    sodium sulfide (anhydrous) ChEBI ID CHEBI:76208: Definition A sulfide salt with formula Na 2 S. The pentahydrate and (particularly) the nonahydrate are also known. In gel form, sodium sulfide is used to soften toenails to assist in trimming (and so relive pain) of ingrowing toenails.

  • sodium hydrogen sulfite Sigma-Aldrich

    Search results for sodium hydrogen sulfite at Sigma-Aldrich

  • Difference Between Sulfide and Sulfite Sciencing

    Sulfite and sulfide are two kinds of ions with sulfur. Sulfide. A sulfide ion is composed of a lone sulfur atom. Its charge is negative two, giving sulfides this formula: S^2-. Sulfide ions are extremely basic. One well-known ionic compound with a sulfide ion is H_2S. The infamous rotten-egg smell often associated with sulfur originates from ...

  • Sodium sulfide production methods - chemicaliran

    Sodium sulfide production methods: Sodium sulfide is a yellow to red solid material soluble in water, slightly soluble in alcohol.It is a strong reducing agent and reacts with oxidant. No commercial process for the production of sodium sulfide containing neither water nor iron is known.

  • sodium sulfite price, sodium sulfite price Suppliers and ...

    956 sodium sulfite price products are offered for sale by suppliers on Alibaba, of which sulphate accounts for 77%, sulfide accounts for 1%. A wide variety of sodium sulfite price options are available to you, such as sulphate.

  • Sodium sulfite CAS 7757-83-7 106657 - Merck

    Sodium sulfite CAS 7757-83-7 anhydrous for analysis EMSURE® Reag. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information.

  • Disodium sulfide nonahydrate H18Na2O9S - PubChem

    sodium sulfide.9H2O. sodium monosulfide.9H2O. sodium sulfide-nonahydrate. sodium sulfide nona hydrate. Sodium Monosulfide Nonahydrate. CHEMBL3989793. CHEBI:76209. disodium sulfide--water (1/9) ZGHLCBJZQLNUAZ-UHFFFAOYSA-N. LS-145563. Sodium sulfide

  • Na2S - Sodium sulfide Structure, Molecular Mass ...

    Sodium sulfide is an inorganic chemical compound with the formula Na 2 S that has attained an important position in the organic chemical industry. It is a strong alkaline solution when exposed to moist air it smells like rotten eggs. Although the solid state is yellow in colour in solution it is colourless.

  • sodium sulfide (anhydrous) (CHEBI:76208)

    sodium sulfide (anhydrous) ChEBI ID CHEBI:76208: Definition A sulfide salt with formula Na 2 S. The pentahydrate and (particularly) the nonahydrate are also known. In gel form, sodium sulfide is used to soften toenails to assist in trimming (and so relive pain) of ingrowing toenails.

  • sodium sulfite中文翻譯,sodium sulfite是什麼意思:亞硫酸

    sodium sulfite的中文翻譯,sodium sulfite是什麼意思,怎麽用漢語翻譯sodium sulfite,sodium sulfite的中文意思,sodium sulfite的中文,sodium sulfite in Chinese,sodium sulfite怎麼讀,发音,例句,用法和解釋由查查在綫詞典提供,版權所有違者必究。

  • sodium sulfite, sodium sulfite Suppliers and

    546 sodium sulfite products are offered for sale by suppliers on Alibaba, of which sulphate accounts for 92%, sulfide accounts for 2%, and inorganic acids accounts for 1%. A wide variety of sodium sulfite options are available to you, such as sulphate, sulfide, and sulfuric acid.

  • Sodium sulfide production methods - chemicaliran

    Sodium sulfide production methods: Sodium sulfide is a yellow to red solid material soluble in water, slightly soluble in alcohol.It is a strong reducing agent and reacts with oxidant. No commercial process for the production of sodium sulfide containing neither water nor iron is known.

  • SODIUM SULFIDE_图文_百度文库

    2014-4-4  Sulfite (also sulphite) is a compound that contain the sulfite ion SO32-. Sulfites are salts or esters of sulfurous acid (H 2SO3), formed by replacing one or both of the hydrogens with a metal or a radical as in sodium sulfite, Na 2SO3.

  • SODIUM SULFITE CAMEO Chemicals NOAA

    SODIUM SULFITE is a reducing agent, particularly under basic conditions. Reacts with oxidizing agents such as peroxides, epoxides, oxoacids. Emits toxic fumes of sodium oxide and oxides of sulfur if heated to decomposition [Lewis, 3rd ed., 1993, p. 1174].

  • 硫化钠_百度百科

    SODIUM SULFIDE 别 称 无水硫化钠,黄片碱 化学式 Na2S 分子量 78.04 CAS登录号 1313-82-2 EINECS登录号 215-211-5 熔 点 950℃ 水溶性 186 g/L (20℃) 密 度 1.86 目录 1 生产简史 ...

  • SAFETY DATA SHEET - Fisher Scientific

    Sodium sulfite Revision Date 19-Jan-2018 Component CAS-No Weight % Sodium sulfite 7757-83-7 >95 4. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Get medical attention

  • SAFETY DATA SHEET - Fisher Scientific

    Sodium sulfite Revision Date 19-Jan-2018 Component CAS-No Weight % Sodium sulfite 7757-83-7 >95 4. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Get medical attention

  • SODIUM SULFITE CAMEO Chemicals NOAA

    SODIUM SULFITE is a reducing agent, particularly under basic conditions. Reacts with oxidizing agents such as peroxides, epoxides, oxoacids. Emits toxic fumes of sodium oxide and oxides of sulfur if heated to decomposition [Lewis, 3rd ed., 1993, p. 1174].

  • Sodium sulfite - Wikipedia

    2020-7-1  Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na 2 SO 3.A pale yellow, water-soluble solid, it is used commercially as an antioxidant and preservative. A heptahydrate is also known but it is less useful because of its

  • USP Monographs: Sodium Sulfide

    2014-9-5  Assay— Transfer about 275 mg of Sodium Sulfide, accurately weighed, to a 250-mL beaker, dissolve in 30 mL of filtered and degassed water, and mix. Add 50.0 mL of 0.1 N iodine while mixing, add 2 mL of hydrochloric acid, and allow to stand for 15 minutes in a dark place. Titrate with 0.1 N sodium thiosulfate VS to a pale yellow color.

  • Sodium Sulfite - BASF

    Sodium sulfite serves as a conservation agent - mainly used in the production of dried fruit. Thanks to its extremely high purity and quality, sodium sulfite by BASF conserves food without affecting the flavor.

  • SODIUM SULFITE TECHNICAL GRADE - Esseco USA

    2020-7-1  SODIUM SULFITE TECHNICAL GRADE. MAIN USES Pulping agent. This product is used in the production of chemimechanical, chemithermomechanical and sulphite pulp. It is a white granular product that is readily soluble in water. Oxygen scavenging and chlorine removal.

  • Sodium sulfide - Wikipedia

    2020-6-29  Sodium sulfide is the chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S9H 2 O.Both the anhydrous and the hydrated salts are colorless solids. They are water-soluble, giving strongly alkaline solutions. When exposed to moist air, Na 2 S and its hydrates emit hydrogen sulfide, which smells like rotten eggs.Some commercial samples are specified as Na 2 SxH

  • Sodium sulfite CAS 7757-83-7 106657 - Merck

    Sodium sulfite CAS 7757-83-7 anhydrous for analysis EMSURE® Reag. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information.

  • SAFETY DATA SHEET - Fisher Scientific

    Sodium sulfide, nonahydrate 1313-84-4 >95 Sodium sulfide 1313-82-2 - 4. First-aid measures General Advice Immediate medical attention is required. Show this safety data sheet to the doctor in attendance. Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Immediate medical attention is required.

  • Sulfite de sodium — Wikipédia

    2020-6-29  Usage. Le sulfite de sodium est un additif alimentaire de la classe des antioxydants.Il est considéré comme l'inhibiteur le plus efficace contre la détérioration des fruits secs [7].Il a été utilisé pour la conservation de la viande.Mais ses propriétés réductrices sont également utilisées en photographie pour la fixation et pour la préservation des films contre la décoloration.

  • Sodium Sulfite Encyclopedia

    2020-7-2  Sodium Sulfite OVERVIEW. Sodium sulfite (SO-dee-um SUL-fite) is a white powder or crystalline solid with no odor but a slightly salty taste. The compound is stable in dry air, but tends to decompose in moist air to produce sulfur dioxide (SO 2) and sodium hydroxide (NaOH). The compound has a variety of uses as a food preservative and in the paper and pulp industry.

  • Sodium sulfite - Wikipedia

    2020-7-1  Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na 2 SO 3.A pale yellow, water-soluble solid, it is used commercially as an antioxidant and preservative. A heptahydrate is also known but it is less useful because of its

  • SODIUM HYDROGEN SULFITE

    2018-7-14  SODIUM HYDROGEN SULFITE Prepared at the 53rd JECFA (1999) and published in FNP 52 Add 7 (1999), superseding tentative specifications prepared at the 51st JECFA (1998), published in FNP 52 Add 6 (1998). Group ADI 0-0.7 mg/kg bw as SO2 for sulfites established at the 51st JECFA in

  • Sodium Sulfite - Chem One - Industrial Chemical

    Paper industry (semi-chemical pulp), reducing agent (dyes), water treatment (antioxidant), as an oxygen scavenger in boiler feed waters, photographic developer for fixing prints, film preservative and stain preventative during developing, food preservative (particularly for processed meats, fruit juices, egg yolks, etc.) and antioxidant, textiles and paper: as an antichlor following bleaching ...

  • Preparation Characterization of Sodium Sulfide

    2017-1-16  sodium sulfite salt causing a loss of energy density of the material, (b) reaction with carbon dioxide from air (carbonation) forming sodium carbonate salt and release of hydrogen sulfide gas that is toxic already at low concentration. Reaction of sodium sulfide with metals forming metal sulfides weakens the

  • Sodium Sulfite 15% Solution - Ineos

    Sodium sulfite is a 15% solution of sodium sulfite with the chemical formula Na 2 SO 3. General Use: Wastewater dechlorination agent, reducing agent. Applications - Dechlorination in municipal wastewater, pulp paper, power, and textile water treatment plants - Boiler water treatment

  • Sodium Sulfite, Sodium Thiosulfate Supplier

    2020-4-24  Xinji Dingze supplier manufactureChemical products ( such as Sodium sulfite, Sodium thiosulfate, Sodium sulphide, Sulphur black, Barium sulphate, Acid blue 25, Acid blue 113, Acid blue 193 and so on ). We have a stable supplier and a competitive price.

  • sodium sulfite v sodium bisulfite Photo.net

    2007-5-25  Sodium bisulfite or meta bisulfite can provide sodium, hydrogen and sulfite ions. The working solution might be made up from sodium sulfite, borax, sodium hydroxide, boric acid, pyrogallol and metol in proper proportions (did I leave out anything?) but without the convenience of a

  • Sulfite de sodium — Wikipédia

    2020-6-29  Usage. Le sulfite de sodium est un additif alimentaire de la classe des antioxydants.Il est considéré comme l'inhibiteur le plus efficace contre la détérioration des fruits secs [7].Il a été utilisé pour la conservation de la viande.Mais ses propriétés réductrices sont également utilisées en photographie pour la fixation et pour la préservation des films contre la décoloration.

  • adding sodium sulfite to developer Photo.net

    2001-12-12  Sodium sulfite sort of helps uncover development sites on the grains and can help increase film speed; it doesn't take much. For example, HP5+ in Rodinal 1:50 gives EI 200, but with the addition of 20g/L sodium sulfite the EI increases to 320 for the same CI.