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Methods for the analysis of chromic acid
Sep 19, 2018

Determination of the content of chromic acid in air: After the sample was collected by the filter, dissolved with sulfuric acid, and then by Colorimetry (Niosh method) after adding Diphenyl Kabbah.

Determination of chromic acid content in water: After extraction, the sample is determined by atomic absorption spectrometry or colorimetric method. Waste disposal Method: Concentrated chromic acid waste liquor is converted to trivalent chromium after chemical reduction, adjust the ph value of the solution, make it precipitate, sediment by chemical waste landfill treatment.