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Water quality―Determination of total selenium―3,3′-Diaminobenzidine spectrophotometric method

This standard is formulated for the purposes of enforcing the Environment Protection Law of the People’s Republic of China and Water Pollution Prevention and Control Law of the People’s Republic of China, protecting the environment, safeguarding the public health, and setting standards for the determination of total selenium in waters. This standard specifies the 3,3′-Diaminobenzidine spectrophotometric method used to determine total selenium in surface water, groundwater, industrial sewage, and municipal wastewater. This standard is the original version.


Water quality―Determination of total selenium―3,3′-Diaminobenzidine spectrophotometric method(HJ 811-2016)

(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)

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