Ammonium Oxalate Monohydrate, Reagent A.C.S.

Assay: 99.0-101.0% (COONH4)2 · H2O
MAXIMUM ALLOWABLE 
Insoluble matter: 0.005%
Residue after ignition: 0.02%
Chloride (Cl): 0.002%
Sulfate (SO4): 0.002%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 2 ppm
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