GB/T 19940-2005
Chrome powder.Determination of chromium(VI) (English Version)

Standard No.
GB/T 19940-2005
Language
Chinese, Available in English version
Release Date
2005
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 19940-2005
Scope
This standard specifies the method for the determination of hexavalent chromium ion content in powdered chrome tanning agents. This standard applies to sodium dichromate as raw material, acidified with sulfuric acid, etc., reduced by glucose or sulfur dioxide (SO2), or mixed with auxiliary agents, suitable for main tanning or retanning in tanning. Powdered chrome tanning agent.

GB/T 19940-2005 history

Chrome powder.Determination of chromium(VI)



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