Water quality - Determination of chromium-Flame atomic absorption spectrometry |
(HJ 757-2015 2015-12-01 implementation) |
In order to implement the "Environment Protection Law of the People's Republic of China" and the "Law of the People's Republic of China on the Prevention and Control of Water Pollution," to protect the environment, safeguard human health, and standardize the methods for determining chromium in water, this standard has been formulated. This standard specifies flame atomic absorption spectrophotometry for the determination of high concentrations of soluble chromium and total chromium in water and waste water. This standard is the first release. |
Determination of chromium in water by flame atomic absorption spectrophotometry (HJ 757-2015) |
Nut setter,hex nut setter,magnetic hex nut setter,nut setter factory
henan horn tools co.,ltd. , https://www.nbhorntoolsltd.com