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Specifications

Catalog #	A1450
Purity	99.0%
pH (5%)	5.0-6.0
Insoluble Matter	0.005%
Residue on Ignition	0.005%
Moisture	0.15%
Chloride	0.0003%
Phosphates	0.0003%
Nitrate	0.001%
Heavy Metals (Pb)	0.0003%
Iron	0.0005%
Selenium	0.0005%
Arsenic	0.00002%
	Exceeds ACS Specifications
CAS Number	7783-20-2
Molecular Formula	(NH4)2SO4
Molecular Weight	132.14
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.