AMMONIUM SULPHATE AR/ACS

Description

Physical state at 20 °C	Solid	Colour	Colorless crystals
Odour	Slight odor of ammonia	pH value	5 – 6
Melting point/ Freezing point [°C]	> 280 °C	Density [g/cm3]	1.77
Solubility in water [% weight]	750 g/l at 20 °C – completely soluble	Partition coefficient Log Pow octanol / water at 20°C	-5.1

Appearance	Colourless crystals/ white crystalline powder
Assay (titration)	Min.99.0%
Insoluble matter	Max 0.005%
pH (5% solution in water; 25°C)	5.0 to 6.0
Residue on ignition	Max 0.005 %
Heavy metals (by ICP-OES)	Max 0.0005%
Chloride (Cl)	Max 0.0005%
Nitrate (NO3)	Max 0.001%
Phosphate (PO4)	Max 0.0005%
Iron (Fe)	Max 0.0005%

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