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Sodium Phosphate Dibasic 99% AR Grade Reagent

Cas Number:10039-32-4
Formula: Na2HPO4•12H2O
Molar Mass:358.14
EC Number:231-448-7

Quantity:
  • AR
  • LABOR
  • 226002129

Sodium Phosphate Dibasic 99% AR Grade Reagent


Cas Number:10039-32-4

Formula: Na2HPO4·12H2O

Molar Mass:358.14

EC Number:231-448-7


Physicochemical properties:

Colorless translucent crystal or white granule powder. It is easy to lose 5mol of water and weather in the air. It will lose all crystal water at 100 ° C. It can be dissolved in 3 parts of water, almost insoluble in ethanol. The aqueous solution is alkaline and the pH is 9.5. Its heptahydrate is relatively stable in air. The relative density is about 1.5. The melting point is 34 ~ 35 ° C.


Usage:

Used as a buffer in the analysis.Determination of serum potassium. Fire retardant.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

9.1~9.4

Transparency of solution

to pass test

Insoluble in water,%

0.005 max

Chloride(Cl),%

0.001 max

Sulfate(SO4),%

0.005 max

Nitrogen compounds(N),%

0.002 max

Potassium(K),%

0.01 max

Iron(Fe),%

0.0005 max

Arsenic(As),%

0.0005 max

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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