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Disodium Tartrate Dihydrate 99% AR Grade Reagent

Cas Number:6106-24-7
Formula: C4H4Na2O6•2H2O
Molar Mass:230.08
EC Number:212-773-3

Quantity:
  • AR
  • LABOR
  • 145802129


Disodium Tartrate Dihydrate 99% AR Grade Reagent


Cas Number:6106-24-7

Formula: C4H4Na2O6·2H2O

Molar Mass:230.08

EC Number:212-773-3


Physicochemical properties:

White crystals or granules. The crystal water will lose at about 120 °C. It can be dissolved in 3 parts cold water, 1.5 parts boiling water and it is insoluble in ethanol. The aqueous solution is slightly alkaline to the litmus, pH 7-9. The relative density is 1.818.


Usage:

Calibration Karl Fischer reagent. The vanadium is determined by spot analysis. Masking agent.


Packing:

500g/25kg




Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

7.0~9.0

Transparency of solution

to pass test

Insoluble in water,%

0.005 max

Chloride(Cl),%

0.002 max

Sulfate(SO4),%

0.005 max

Phosphate (PO4),%    

0.002 max

Iron(Fe),%

0.001 max

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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