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Sodium Hydrosulfide (NaSH)-An Alternative to Sulfur ...
Sodium Hydrosulfide (NaSH) solution is an alternative product to sulfur from hydrogen sulfide. Much hydrogen sulfide ends up on solid bed medias such as iron sponge or Sulfatreat®. This is disposed of in landfills. These processes are justified in most cases. Depending on your production rate of hydrogen sulfide, a Claus Unit may be just what ...
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China Sodium Hydrosulphide 70%Min Yellow Flakes (NaHS ...
CAS No.: 1, 1 Appearance: Flake Classification: HS Certification: ISO Purity: 50%~80% Type: Sodium Hydrosulfide
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China Sodium Hydrosulfide
Sodium hydrosulfide is the chemical compound with the formula NaHS. This compound is the product of the half-neutralization of hydrogen sulfide (H2S) with sodium hydroxide. NaHS is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent, more often as an aqueous solution.
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What is sodium hydrosulfide used for?
Sodium hydrosulfide, known by its chemical symbol NaHS (often pronounced "nash") is used in the leather tanning, pulp and paper, chemical, dye, and mineral extraction industries. NaHS is used as a pure solid (flake) or more commonly as a solution in water. Click to see full answer.
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sodium hydrosulfide 1 wiki
sodium hydrosulfide Iupac Name：sodium;sulfanide CAS No.：1 Molecular Weight：56.06271 Introduction: Sodium hydrosulfide is a colorless to light yellow crystalline solid or fused mass.Sodium hydrosulfide is corrosive to skin and metal. Used in paper pulping, manufacturing dyes, and dehairing hides.
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Safety Data Sheet Material Name: Sodium Hydrosulfide ...
Sodium Hydrosulfide, Monohydrate is a solid consisting of colorless needles to lemon-yellow flakes. Sodium Hydrosulfide, Monohydrate releases hydrogen sulfide in contact with moisture in the air, which smells like rotten eggs. The odor cannot be relied upon as a warning property as hydrogen sulfide paralyzes the sense of smell above 100 ppm.
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Sodium Hydro Sulphide Solution Manufacturer Supplier in ...
Sodium hydrosulfide is the chemical compound with the formula NaHS. This compound is the product of the half neutralization of hydrogen sulfide with sodium Hydroxide NaHS is a useful reagent for the synthesis of organic and inorganic sulfur compounds, sometimes as a solid reagent, and more often as an aqueous solution.
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The effects of seed priming with sodium hydrosulphide on ...
Sunflower seeds (hybrid Luka) were primed with water (hydropriming) or sodium hydrosulphide (NaHS) solutions (0.1, 0.5, 1.0 and 1.5 mM NaHS) and subsequently dried to initial moisture content. Unprimed (control) and primed seeds were germinated in a growth chamber on paper towels moistened with water or polyethylene glycol (PEG) 6000 solutions ...
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Sodium hydrogen sulfide, Anhydrous, Alfa Aesar | Fisher ...
sodium hydrosulfide, sodium bisulfide, sodium sulfhydrate, sodium hydrogen sulfide, sodium sulfide na sh, sodium sulfanide, sodium mercaptan, sodium mercaptide, sodium hydrosulphide, nahs PubChem CID 28015
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Sodium hydrosulfide Manufacturers & Suppliers, China ...
sodium hydrosulfide manufacturer/supplier, China sodium hydrosulfide manufacturer & factory list, find qualified Chinese sodium hydrosulfide manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.
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Sodium Hydrogen Sulfide - Dittmer - - Major Reference ...
Preparative Methods: saturation of ethanolic Sodium Hydroxide with Hydrogen Sulfide; 5 anhydrous NaSH is obtained by precipitation with ether. Saturation with H 2 S shifts the equilibrium, 2NaSH ⇌ Na 2 S + H 2 S, to the left, as does operation in a solvent less polar than water or addition of NaHCO 3 to Na 2 S.
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Sodium hydrosulfide monohydrate technical, ≥90% | 14
Sodium hydrosulfide monohydrate technical, ≥90%; CAS Number: 14; Synonyms: Sodium hydrogen sulfide monohydrate,Sodium bisulfide; Linear Formula: NaSH · H2O; find Sigma-Aldrich-13590 MSDS, related peer-reviewed papers, technical documents, similar products & …
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WO1997010501A1 - Determination of sodium sulfide and ...
A rapid method is provided for the on-line determination of sodium sulfide concentration and/or percent sulfidity in green liquors or smelt solutions used for the production of either kraft or sulfite pulp. The method eliminates manual sampling, and the need for frequent equipment maintenance. The method includes the steps of withdrawing samples of a smelt solution or green liquor from the ...
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SODIUM SULPHIDE SOLUTIONS – BILHAN PROJECTS
Sodium Sulphide (Na2S or commonly Na2S XH2O), is a by-product in the manufacture of Barium Carbonate, which is colourless and water soluble. Since it is caustic, needs proper care in handling. Typical Properties. Sodium Sulphide is colourless and water soluble. Strongly alkaline and …
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sodium hydrosulphide mining industry, sodium hydrosulphide ...
Sodium hydrosulfide NaHS price Sodium Hydrogen Sulphide Molecular formula: NaHS CAS No. 240-778-0 Sodium Hydrogen Sulphide Molecular formula: NaHS H.S. :1 Properties:Colorless needle-like crystal,easy to be deliquesced,it will decomposed and release hydrogen disulfide at its melting point,soluble in water and alcohols,its water solution is strongly alkaline,it will generate hydrogen ...
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Sodium Hydro Sulfide/ sodium hydrogen sulfide-Flakes/solid
Molecular Formula: NaHS CAS: 1 UN No.: 2949 Property: Brownish yellow flakes, easy to be deliquesced, it will decomposed and release hydrogen sulfide at its melting point, soluble in water and alcohols, its water solution is strongly alkaline, it will generate hydrogen sulfide when reacting with acids, The industrial good is solution, orange or yellow, bitter taste.
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Sodium Hydrosulfide (NaSH) Solubility and Heat of Solution ...
Sodium Hydrosulfide (NaSH) Solubility and Heat of Solution. 03/05/2008 11:14 AM. I am having trouble with an application dissolving (or keeping in solution) Sodium Hydro-sulfide in water with a pH >9.0. The MSDS data from various suppliers indicates the solubility at 20 deg C is 500-600 grams per kg water. I have contacted various suppliers who ...
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DOMTAR Pulp and Paper Mill - Rolling Stock | Model ...
Sodium sulphate. Sat, 19:04 — blindog10. Sodium Sulphate mixed with caustic soda (sodium hydroxide solution) is used in the digester of a "kraft" (strong in German) mill. A kraft mill doesn't use a lot of it so it might come in by truck. The chemistry of a pulp digester depends on the wood being pulped.
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NaHS Flakes from Sodium hydrosulfide solutions
Sodium hydrogen sulfide is a yellow, solid flake with a sulfurous (rotten egg) smell. It is used in water treatment, the pulp and paper industry, and in leather processing as a tanning agent or hair remover (from hides). Sodium hydrogen sulfide may be used in the making of colors and dyes.
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SODIUM HYDROSULFIDE, SOLUTION
A chemical base. Reacts with acids to release flammable and toxic gaseous hydrogen sulfide. As long as the solution is kept strongly alkaline, pH > 10, there is very little release of H2S. At pH = 7, the percent concentration of H2S released is close to 80%.
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Biogenic Sulphide Reagent in Hydrometallurgy
Uses under consideration by a number of mining companies include: (1) replacement of sodium hydrosulphide . in the SART process for cyanide regeneration and copper recovery in the processing of gold-copper ores, and (2) replacement of sodium hydrosulphide for use in the separation of copper and molybdenum in flotation. Biogenic
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Sodium hydrosulfide - Wikipedia
Sodium hydrosulfide is the chemical compound with the formula NaHS. This compound is the product of the half-neutralization of hydrogen sulfide (H 2 S) with sodium hydroxide. NaHS and sodium sulfide are used industrially, often for similar purposes. Solid NaHS is colorless. The solid has an odor H 2 S owing to hydrolysis by atmospheric moisture.
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US4439411A - Production of sodium hydrosulfide - Google ...
Sodium hydrosulfide is continuously produced from the reaction of hydrogen sulfide and with sodium sulfide by continuously introducing an aqueous sodium sulfide solution into an unvented reaction chamber, which may be a tower or tank, while maintaining a source of gaseous hydrogen sulfide in pressure demand relationship with the solution in the chamber, and continuously withdrawing …
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CHEMICAL PRODUCTS CORPORATION SDS No. 47F
CHEMICAL PRODUCTS CORPORATION SDS No. 47F GHS SAFETY DATA SHEET Page 1 of 9 Pages 1. IDENTIFICATION Product Name: Sodium Hydrosulfide Flake Sodium Hydrosulfide – Flakes 70-72% SYNONYMS: Sodium Hydrosulphide; Sodium Hydrogen Sulfide, Hydrated;
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Liquid Sodium Hydro Sulphide Solution 30% ( NaHS), for ...
Sodium Hydrosulphide is applied in the leather industry, waste water treatment, soil remediation, the mining industry and pulp paper.Patch clamp studies of neuroblastoma cells have shown that in the presence of sodium hydrogen sulfide, the in vitro precursor of hydrogen sulfide.Sodium hydrogen sulfide is an H2S donor commonly used in cellular ...
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Sulfur products basic processing aids - Nouryon
Sodium Hydrosulfide (NaSH) Sodium Hydrosulfide (NaSH) is an economical form of reactive sulfur that is typically a light-yellow colored solution. Hydrogen Sulfide (H2S), a toxic gas, is evolved upon contact of NaSH with acids. NaHS is mildly corrosive to carbon steel and cast iron. Stainless steels are very resistant to corrosion.
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12 13 final NaHSfor pdf - HSDL
Since 1971, reported incidents involving liquid solutions of sodium hydrosulfide (NaHS) have resulted in 32 deaths and 176 injuries, most notably in the leather tanning and pulp and paper industries. The most serious safety concern associated with NaHS is its capacity to produce large amounts of deadly hydrogen sulfide gas (H 2S) when it reacts ...
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S1 IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF …
Commercial name SODIUM HYDROGEN SULFIDE SOLUTION Chemical name Hydrated sodium hydrosulfide (45-62 %) CAS Nº 1 (for solid NaHS) EC (EINECS) Nº 240-778-0 (for solid NaHS) Annex VI (EC) 1272/2008 Nº Not listed REACH register number 01 …
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SODIUM HYDROSULFIDE, SOLUTION | CAMEO Chemicals | NOAA
A chemical base. Reacts with acids to release flammable and toxic gaseous hydrogen sulfide. As long as the solution is kept strongly alkaline, pH > 10, there is very little release of H2S. At pH = 7, the percent concentration of H2S released is close to 80%.
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Sodium hydrosulfide hydrate, pure, flakes, Thermo ...
sodium hydrosulfide hydrate, hnas.h2o, nahs.h2o, sodium sulfanide hydrate, sodium bisulfide monohydrate, sodium hydrosulphide hydrate, sodium hydro sulfide hydrate, sodium hydrosulfide monohydrate, sodium hydrate sulfanide, sodium hydrosulfide hydrate, cp
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