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40% ASSAY (Na[@2@]S[@2@]O[@5@]) 95 100
42 % APPROX
00% COLOR (APHA) 20 RESIDUE AFTER IGNITION 0
[a][@D@]20 +21
Sulfuric Acid Reagent ACS EPA Pesticide Standards 40% ASSAY (Na[@2@]S[@2@]O[@5@]) 95 100Test Specification Min Max APPEARANCE ASSAY (H[@2@]SO[@4@]) 95. 0 98. 0% 95. 0 98. 0% COLOR (APHA) 10 RESIDUE AFTER IGNITION 5 ppm CHLORIDE (Cl) 0. 2 ppm NITRATE (NO[@3@]) 0. 5 ppm AMMONIUM (NH[@4@]) 2 ppm SUBSTANCES REDUCING PERMANGANATE 2 ppm ARSENIC (As) 0. 01 ppm HEAVY METALS (as Pb) 1 ppm IRON 0. 2 ppm MERCURY 5 ppb
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