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Ammonium Sulfate 99% AR Grade Reagent

Cas Number:7783-20-2
Formula: (NH4)2SO4
Molar Mass:132.14
EC Number:231-984-1

Quantity:
  • AR
  • LABOR
  • 203002129

Ammonium Sulfate 99% AR Grade Reagent


Cas Number:7783-20-2

Formula: (NH4)2SO4

Molar Mass:132.14

EC Number:231-984-1


Physicochemical properties:

Colorless crystal or white particles. Odorless. It will decompose above 280 °C. Solubility in water (g/100g saturated solution): 41.22 at 0 °C, 43.47 at 25 °C, 50.42 at 100 °C. It is insoluble in ethanol and acetone. The pH of the 0.1 mol/L aqueous solution is 5.5. The relative density is 1.77. The refractive index is 1.521. Low toxicity, half lethal dose (rat, oral) 3000mg/kg. Irritating.


Usage:

Biological preparations. Bacterial culture. Precipitating proteins. Spectrum analysis. A sand culture medium is prepared in a single sports species. Urine test.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

4.8~6.0

Transparency of solution

3 max

Insoluble in water,%

0.002 max

Residue on ignition(as SO4),%

0.01 max

Chloride(Cl),%

0.0005 max

Nitrate(NO3),%

0.001 max

Phosphate(PO4),%

0.0005 max

Arsenic(As),%

0.00002 max

Calcium(Ca),%

0.005 max

Iron(Fe),%

0.0002 max

Heavy metals(as Pb),%

0.0005 max


Not a hazardous substance or mixture.


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