This Standard specifies the performance, test method and technical requirement for water quality automatic on-line monitor of chromium (VI). This Standard applies to the production, application selection, and performance test of automatic on-line monitor of chromium compound ion (VI) in surface water, sanitary sewage and industrial waste water.5.5.4 Zero drift Adopt zero calibration solution (5.3.2) to determine continuously for 24h. ... same analytical conditions, repeat n (nay7) times of blank test (or blank spiked test), and calculate standard deviation S of n times parallel determination.
|Title||:||HJ 609-2011: Translated English PDF of Chinese Standard HJ609-2011|
|Publisher||:||www.ChineseStandard.net - 2015-08-11|