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Quick Details

CAS No.: 7757-82-6
Other Names: Sodium Sulphate
MF: Na2SO4
EINECS No.: 231-820-9
Place of Origin: China (Mainland)
Grade Standard: Agriculture Grade,Electron Grade,Food Grade,Industrial Grade,Medicine Grade,Reagent Grade
Purity: 99%min
Appearance: white powder
Application: Making detergent,dyeing
Brand Name: vidar
Model Number: sodium sulphate
solubility in water: soluble
Crystal structure: hexagonal (anhydrous)
Odor: Odorless
Molecular Weight: 126.04
Density: 2.633 g/cm3 (anhydrous)
Melting point: 500(anhydrous)

Specifications

Product Name: Sodium Sulphate
Specifications

1. High quality with competitive price;
2. Timely delivery with perfect packing;
3. Adhere to the equality and manual benefit.


ITEM

STANDARD

sodium sulphate %(Na2SO4)

99.5 MIN.

99.0 MIN.

99.0 MIN.

water insolubles %

0.01 MAX.

0.05 MAX.

0.05 MAX.

Ca + Mg (as Mg) %

0.03 MAX.

0.15 MAX.

0.15 MAX.

chlorides %(Cl)

0.07 MAX.

0.35 MAX.

0.35 MAX.

iron %(Fe)

0.002 MAX.

0.002 MAX.

0.002 MAX.

moisture %

0.20 MAX.

0.20 MAX.

0.20 MAX.

whiteness %

85 MIN.

82 MIN.

82 MIN.

PH-value

6-7.5

6-8

9-11

Partickle size: Passed through on 100 mesh

around 60-65%

around 60-65%

not required


Packing:
50KGs PP bag/1000KGs PP bag.


Storage:

Stored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. Should be kept separately, avoid mixed reserve.


Usage:

1. For the preparation of a trace analysis of tellurium and determination of niobium and developering, also used as a reducing agent

2. For synthetic fiber fabric bleaching agent, stabilizer, photographic developer, dye bleaching deoxidizer, perfume and dye reduction agent, ligninremoval agent

3. Used as ordinary analytical reagent and photosensitive resistance materials

4. Reductive bleaching agent, the food has strong inhibitory effects on plant food bleaching effect and the oxidase.

5. For a variety of cotton fabric scouring of cotton fiber, can prevent local oxidation and influence of fiber strength, and improve the whiteness of boiling.

6. In food industry, it used as a bleaching agent, preservative, osteoporosis agent, antioxidant

7. It used in the production of sulfite cellulose ester, sodium thiosulfate, organic chemicals, such as bleaching fabrics