Ammonium Fluoride, Reagent A.C.S.

Assay:≥98.0% NH4F
MAXIMUM ALLOWABLE 
Insoluble matter: 0.005%
Residue after ignition: 0.01%
Chloride (Cl): 0.001%
Sulfate (SO4): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm
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