GB/T 9758.5-1988 Paints and varnishes--Determination of "soluble" metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectro (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 9758.5-1988
Scope
This standard specifies a method for the determination of "soluble" hexavalent chromium in paints and varnishes. This standard applies to paints with a "soluble" hexavalent chromium content in the range of about 0.05% to 5% (m/m).
GB/T 9758.5-1988 history
1988GB/T 9758.5-1988 Paints and varnishes--Determination of "soluble" metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectro