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Sodium Sulfate Anhydrous 99% AR Grade Reagent

Cas Number:7757-82-6
Formula: Na2SO4
Molar Mass:142.04
EC Number:231-820-9

Quantity:
  • AR
  • LABOR
  • 226602129

Sodium Sulfate Anhydrous 99% AR Grade Reagent


Cas Number:7757-82-6

Formula: Na2SO4

Molar Mass:142.04

EC Number:231-820-9


Physicochemical properties:

Colorless crystal or white powder. Odorless with bitter taste. It is hygroscopic. It can be dissolved in 3.6 parts of water. At 33 ° C, the solubility is the largest (1:2), the temperature is higher and the solubility is lower. It is soluble in 2.4 parts of water at 100 ° C, and is insoluble in ethanol. The relative density is 2.7. The melting point is about 880 ° C.


Usage:

Kjeldahl determination. Dry organic liquid. Test serum proteins. Determine the copper content of steel.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

5.0~8.0

Transparency of solution

3 max

Insoluble in water,%

0.005 max

Loss on ignition,%

0.2 max

Chloride(Cl),%  

0.001 max

Phosphate (PO4),%  

0.001 max

Nitrogen compounds(N),%

0.0005 max

Potassium(K),%

0.01 max

Calcium(Ca),%

0.002 max

Iron(Fe),%

0.0005 max

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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