Description
General Chemical Specifications for Ammonium Hydroxide, 28-30%, Reagent Grade (ACS):
Assay (as NH3) 28.0-30.0 percent
MAXIMUM LIMITS
Residue after Ignition 0.002 percent
Carbon Dioxide (CO2) 0.002 percent
Chloride (Cl) 0.5 ppm
Phosphate (PO4) 2 ppm
Total Sulfur (as SO4) 2 ppm
Nitrate (NO3) 2 ppm
Heavy Metals (as Pb) 0.5 ppm
Iron (Fe) 0.2 ppm
Substances Reducing Permanganate To pass test
Specifications for Ammonium Hydroxide, Superior Reagent Grade (ACS):
(Metals analysis reported on certificate in ppm.)
TEST
1. Assay 28.0-30.0% NH3
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