What is Sodium Cyanide used for?

Sodium Cyanide is commonly used in the mining industry for extracting gold from ores.

How can I optimize the use of chemicals in ore processing?

Optimizing the use of chemicals in ore processing involves several strategies to enhance efficiency and cost-effectiveness:

Are there specific regulations for the use of mining chemicals?

Yes, the use of mining chemicals is subject to various regulations that govern their production, use, storage, and disposal. These regulations are designed to protect human health and the environment. Key regulatory aspects include:

What is a settling agent, and how does it work in mining?

A settling agent, also known as a flocculant, is a chemical used to accelerate the settling of suspended particles in a liquid. In the context of mining, settling agents are crucial for improving the efficiency of ore processing and tailings management.

How do I store Sodium Cyanide safely?

Sodium Cyanide should be stored in a cool, dry place, away from incompatible materials and in accordance with safety guidelines.

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Sodiumsulfite Technical Grade 96%-98%picture1

Sodiumsulfite Technical Grade 96%-98%picture2

Sodiumsulfite Technical Grade 96%-98%

Name: United Chemical: Leading Manufacturer & Supplier of High-Quality Sodium Cyanide for Gold Mining
Brand: Sodium Cyanide
Price: 2000.0 USD
Availability: InStock

(CAS: 7757-83-7)

CAS7757-83-7

MFNa₂SO₃

Technical specifications97.00%

Levels of danger：-
UN NUMBER：-
HS code：2832100000
MW：126.04
Density：2.63g/cm³

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Details:

Description

Sodium sulfite is an inorganic compound with the chemical formula Na₂SO₃. It appears as a white, water-soluble solid and is commonly used as an antioxidant and preservative. This compound is also utilized in various industrial processes, including the softening of lignin in the pulping and refining processes of wood and lignocellulosic materials.

Application

Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
Photo Grade: In the photographic industry as component of developer bath .
Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehydephenylpropanoid Sulfone

Specifications

Specification for Industry Grade and Food Grade

Item	Quality Index
Item	Industry Grade	Food Grade
Purity ( As Na₂SO₃)	96.0% min	98.0% min
Sodium sulphate ( SO₄)	2.5% max	1.5% max
Chlorides ( As NaCL)	0.5% max	0.1% max
Arsenic ( As )	-	0.0002% max
Heavy metals ( As Pb )	-	0.0005% max
Iron (Fe)	0.005% max	0.002% max
Water insolubles	0.05% max	0.02% max

Specification For Photo Grade and Pharmaceutical Grade

Item	Quality Index
Item	Photo Grade	Pharmaceutical Grade
Purity ( As Na₂SO₃)	98.0% min	98.0% min
Sodium sulphate ( SO₄ )	1.5% max	1.5% max
Chlorides ( As CL^-)	0.05% max	0.05% max
Arsenic ( As )	0.0002% max	2ppm max
Lead ( As Pb)	0.0005% max	2ppm max
Iron (Fe)	0.001% max	5ppm max
Selenium ( Se)	0.0001% max	1ppm max
Zinc ( Zn)	0.0001% max	1ppm max
Copper ( Cu )	0.0001% max	0.1ppm max
Mercury ( Hg)	0.0001% max	0.1 ppm max

Packaging specifications

25KG bag 1000KG ton bag

Certifications

ISO 9001. ISO 22716. cGMP certified

Kosher, Halal certified

Shipping Information

MOQ: (Due to the nature of chemical transportation, please consult the sea trade manager for details!)

Port of Loading: CHINA - Shanghai Port, Ningbo Zhoushan Port, Guangzhou Port, Qingdao Port, Tianjin Port, Dalian Port, Xiamen Port, Lianyungang Port (can be ensured according to the requirements of customers)

Delivery Time: 4-6 weeks

Payment Terms

L/C, D/P, T/T at buyer’s cost

Sample available on request

Multiple Names

anhydroussodiumsulfite
disodiumsulfite
exsiccatedsodiumsulfite
natriisulphis
natriumsulfid
natriumsulfit
natriumsulfurosum
sodiumsulfite(2:1)
sodiumsulfite[na2so3]
sulfitedesodium
sulftech
Sulfurousacid,disodiumsalt
sulfurousacid,sodiumsalt(1:2)
s-wat
Sodium sulfite, ACS, 98.0% min
SODIUM SULFITE ANHYDROUS GRANULAR
Sodium sulfite anhydrous
SODIUM SULFITE, EXSICCATED
SODIUM SULPHITE
SODIUM SULPHITE ANHYDROUS extrapure AR
sodium sulfite anhydrous,for food
Sodium sulfite, 97%, anhydrous, extra pure
Sodium sulfite, 98.5%, anhydrous, for analysis
SODIUM SULFITE, 98+%, ANHYDROUS, FOR ANALYSIS ACS
Sodium sulfite, anhydrous, for analysis
Sodium sulfite, anhydrous, for analysis ACS
Sulfurous acid disodium
Sodium sulfite
Sodium Sulfite, Acs Min
Sodium sulfite,98.5%,for analysis,anhydrous
Sodium sulfite,97%,extra pure,anhydrous
Sodium sulfite,98+%,for analysis ACS,anhydrous
SODIUM SULFITE, REAGENT (ACS)SODIUM SULFITE, REAGENT (ACS)SODIUM SULFITE, REAGENT (ACS)
SODIUM SULFITE, ZERO DISSOLVED OXYGEN SOLUTIONSODIUM SULFITE, ZERO DISSOLVED OXYGEN SOLUTIONSODIUM SULFITE, ZERO DISSOLVED OXYGEN SOLUTION
Sodium sulfite anhydrous, AR,98.0%
SODIUM SULFITE ANHYD GRAN
Sodium sulfite test solution(ChP)
SODIUM SULPHITE ANHYDROUS
SODIUM SULPHITE 60-70% MIN
SODIUM SULPHITE ANHYDROU
Sodiumsulfite,anhydrous,98+%(ACS)
sodium sulfite, acs
SODIUMSULFITE,ANHYDROUS,FCC(BULK
SODIUMSULFITE,EXSICCATED,PURIFIED
SODIUMSULFITE,FCC,EP,BP,JP
SODIUMSULFITE,POWDER,REAGENT,ACS
SULPHITES
NATRIUMSULFIT WASSERFREI, MIN. 97 PROZ.
Natriumsulfit8
Sodium sulfite, anhydrous, extra pure, 97%
Sodium sulfite, anhydrous, for analysis ACS, 98+%
Sodium sulfite, anhydrous, for analysis, 98.5%
SODIUM SULFITE REAGENT (ACS)
Sodium sulfite, reagent grade, ACS
Sodium sulfite, extra pure, Ph Eur, BP, E 221
Sodium sulfite anhyd
Sodiumsulphite,98%
SodiuM Sulfite, Anhydrous, NF, FCC, EP, BP, JP