This standard specifies the spectrophotometric method for the determination of chromium(VI) in water. This method can be applied to the determination of dissolved chromium(VI) at levels of 0.05-3 mg/l. The range of quantification can be extended by diluting the sample.
JIS K 0400-65-20:1998 history
1998JIS K 0400-65-20:1998 Water quality -- Determination of chromium(VI) -- Spectrometric method using 1,5-diphenylcarbazide