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Potassium Phosphate Dibasic Trihydrate 99% AR Grade Reagent

Cas Number:16788-57-1
Formula: K2HPO4•3H2O
Molar Mass:228.22
EC Number:231-834-5

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Model:
AR
Brand:
LABOR
Code:
220102129

Potassium Phosphate Dibasic Trihydrate 99% AR Grade Reagent

Cas Number:16788-57-1

Formula: K₂HPO₄·3H₂O

Molar Mass:228.22

EC Number:231-834-5

Physicochemical properties:

White granules or powder. Slightly hygroscopic. After burning, it becomes pyrophosphate. Soluble in water, 100g can be quickly dissolved in 67ml of cold water. Slightly soluble in ethanol, its aqueous solution is slightly alkaline to phenolphthalein.

Usage:

Buffer. It can be used as a buffer in antifreeze. Formulated in antibiotic medium. Pharmaceutical.

Packing:

500g/25kg

Potassium Phosphate Dibasic Trihydrate 99% Dipotassium Hydrogen Orthophosphate Trihydrate AR Grade Reagent

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	8.9~9.4
Transparency of solution	to pass test
Insoluble in water,%	0.01 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄) ,%	0.01 max
Nitrate(NO₃),%	0.001 max
Sodium(Na),%	0.05 max
Magnesium(Mg) ,%	0.001 max
Iron(Fe),%	0.001 max
Arsenic(As),%	0.0001 max
Heavy metals(as Pb),%	0.001 max

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	8.9~9.4
Transparency of solution	to pass test
Insoluble in water,%	0.01 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄) ,%	0.01 max
Nitrate(NO₃),%	0.001 max
Sodium(Na),%	0.05 max
Magnesium(Mg) ,%	0.001 max
Iron(Fe),%	0.001 max
Arsenic(As),%	0.0001 max
Heavy metals(as Pb),%	0.001 max

Potassium Phosphate Dibasic Trihydrate 99% AR Grade Reagent

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