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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Industrial Chemicals - Borax Decahydrate Wholesaler from ...
Industrial Chemicals - Borax Decahydrate Wholesaler from ...

Sodium, metabisulfite or ,sodium pyrosulfite, (IUPAC spelling; Br. E. ,sodium, metabisulphite or ,sodium, pyrosulphite) is an inorganic compound of chemical formula Na 2 S 2 O 5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent. UsesFood additive

Physical Chemical and Microbiological Methods of Solid ...
Physical Chemical and Microbiological Methods of Solid ...

Add 2 5 ml concentrated NH4OH (S.G. 0.90), and dilute with distilled water to 1 liter. 9. Amino solution: In 500 ml distilled water, dissolve (in order specified) 18.5 g sodium sulfite (NaaSO3), 0.500 g l-amino-2-naphthol-4-sulfonic acid, and 31 g sodium metabisulfite (sodium pyrosulfite, Na2 S2 O5).

Investigations on the general properties of biomass-based ...
Investigations on the general properties of biomass-based ...

Dialdehyde ,sodium, alginate (DSA) is an alternative chrome-free tanning material for fur production. To obtain satisfactory resultant fur and provide suggestions for the usage of DSA in fur making, the general properties of DSA tanned sheep fur were systematically investigated.

PubChem
PubChem

Columns true 31 ,Sodium, dithionite ,SODIUM, HYDROSULFITE 7775-14-6 ,Sodium, hydrosulphite Dithionous ,acid,, disodium salt ,Sodium, sulfoxylate Disodium dithionite ,Sodium, hypodisulfite UNII-2K5B8F6ES1 Vatrolite 2K5B8F6ES1 CHEBI:66870 Dithionous ,acid,, ,sodium, salt (1:2) Blankit Burmol Hydros sodiumdithionite Blankit IN Hydrosulfite R Conc V-Brite B Disodium hydrosulfite Caswell No. 774 ,Sodium, ...

sodium polyacrylate polymer water treatment sodium ...
sodium polyacrylate polymer water treatment sodium ...

Protein flocculants, Sugar, salt, beverages, alcohol turbidity clarifying agent, Liquid suspended in lime adsorption of particles, when ,adding, large amount of ,sodium, polyacrylate, can speed up the settlement, the liquid get quickly clarify. variety index ,Sodium, Polyacrylate Appearance Colorless Effective ingredient 100% Free monomer ≤0.5% pH 6-7.5 package 25 kilogram plastic cask Packaging & Shipping

Silo storage and storage - General information - 2021
Silo storage and storage - General information - 2021

This is especially important when you can not cook haylage, especially hay. It is recommended to add chemical preservatives to the fermented mass at the rate of: ,sodium pyrosulfite, 4-5 kg / t, benzoic ,acid, 3-4 kg / t, formic ,acid, 4-5 l / t, propionic ,acid, 4-5 l / t or acetic ,acid, 5 l / t.

COMPOSITE EMULSIFIER AN EMULSION PREPARED FROM IT …
COMPOSITE EMULSIFIER AN EMULSION PREPARED FROM IT …

A composite emulsifier, contains two or more emulsifiers selected from phospholipid, PEG emulsifier and poloxamer-like substance, and may contain cryoprotectant. An emulsion prepared from the composit

Method of preparation of hydrogen sulfide-containing oil
Method of preparation of hydrogen sulfide-containing oil

SUBSTANCE: proposed method includes multi-stage separation at 30-65°C and reduced pressure (preferably at residual pressure)in final-stage separator of 0.05-0.07 MPa at simultaneous removal ,of hydrogen sulfide, till 55-85-% degree followed by final cleaning from residual hydrogen sulfide by introducing effective amount of aqueous alkaline solution of ,sodium, nitrite or ,sodium pyrosulfite, or hydrosulfite or hydroxylamine sulfate or aqueous solution of ,sodium, …

Installation of purification of hydrocarbon liquid medium ...
Installation of purification of hydrocarbon liquid medium ...

SUBSTANCE: proposed method includes multi-stage separation at 30-65°C and reduced pressure (preferably at residual pressure)in final-stage separator of 0.05-0.07 MPa at simultaneous removal of hydrogen sulfide till 55-85-% degree followed by final cleaning from residual hydrogen sulfide by introducing effective amount of aqueous alkaline solution of ,sodium, nitrite or ,sodium pyrosulfite, or hydrosulfite or hydroxylamine sulfate or aqueous solution of ,sodium, …

Chemistry for Nonchemists: Principles and Applications for ...
Chemistry for Nonchemists: Principles and Applications for ...

Neutralization is a double replacement reaction that unites the H- ion and an ,acid, with the OH- ion of a base, forming water and a salt. ,acid acid, V salt water For example ,sodium, hydroxide acetic ,acid sodium, acetate water Oxidation/reduction (redox) reactions are combination reactions, replacement, or double replacement reactions that involve the gain and loss of electrons (i.e., changes in ...

Industrial Chemicals - Borax Decahydrate Wholesaler from ...
Industrial Chemicals - Borax Decahydrate Wholesaler from ...

Sodium, metabisulfite or ,sodium pyrosulfite, (IUPAC spelling; Br. E. ,sodium, metabisulphite or ,sodium, pyrosulphite) is an inorganic compound of chemical formula Na 2 S 2 O 5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent. UsesFood additive

Silo storage and storage - General information - 2021
Silo storage and storage - General information - 2021

This is especially important when you can not cook haylage, especially hay. It is recommended to add chemical preservatives to the fermented mass at the rate of: ,sodium pyrosulfite, 4-5 kg / t, benzoic ,acid, 3-4 kg / t, formic ,acid, 4-5 l / t, propionic ,acid, 4-5 l / t or acetic ,acid, 5 l / t.

Industrial Chemicals - Borax Decahydrate Wholesaler from ...
Industrial Chemicals - Borax Decahydrate Wholesaler from ...

Sodium, metabisulfite or ,sodium pyrosulfite, (IUPAC spelling; Br. E. ,sodium, metabisulphite or ,sodium, pyrosulphite) is an inorganic compound of chemical formula Na 2 S 2 O 5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent. UsesFood additive

COMPOSITE EMULSIFIER AN EMULSION PREPARED FROM IT …
COMPOSITE EMULSIFIER AN EMULSION PREPARED FROM IT …

A composite emulsifier, contains two or more emulsifiers selected from phospholipid, PEG emulsifier and poloxamer-like substance, and may contain cryoprotectant. An emulsion prepared from the composit

Wastewater | ASSIST
Wastewater | ASSIST

Search for Resources Enter key words associated with your area of interest

Inorganic Salts Inorganic Salts List - Echemi
Inorganic Salts Inorganic Salts List - Echemi

Sodium, metabisulfite or ,sodium pyrosulfite, (IUPAC spelling; Br. E. ,sodium, metabisulphite or ,sodium, pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, antioxidant and preservative agent.

Development of eco-friendly self-cleaning antibacterial ...
Development of eco-friendly self-cleaning antibacterial ...

One solution to eradicate carcinogenic chromium (VI) is to convert into a non-toxic Cr (III) state, which is also an essential trace metal as human nutrition. The conventional chemical technique needs expensive reducing agents like ferrous sulfate, ,sodium, hydrogen sulfite, ,sodium pyrosulfite, and hydrazine hydrate.

Wastewater | ASSIST
Wastewater | ASSIST

Search for Resources Enter key words associated with your area of interest

Inorganic Salts Inorganic Salts List - Echemi
Inorganic Salts Inorganic Salts List - Echemi

Sodium, metabisulfite or ,sodium pyrosulfite, (IUPAC spelling; Br. E. ,sodium, metabisulphite or ,sodium, pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium (metabisulfite). It is used as a disinfectant, antioxidant and preservative agent.

Physical Chemical and Microbiological Methods of Solid ...
Physical Chemical and Microbiological Methods of Solid ...

Add 2 5 ml concentrated NH4OH (S.G. 0.90), and dilute with distilled water to 1 liter. 9. Amino solution: In 500 ml distilled water, dissolve (in order specified) 18.5 g sodium sulfite (NaaSO3), 0.500 g l-amino-2-naphthol-4-sulfonic acid, and 31 g sodium metabisulfite (sodium pyrosulfite, Na2 S2 O5).

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