This standard specifies the general method for the visual colorimetric determination of As(V) and As(Ⅲ) reduced to arsine and reacted with mercury bromide to form mercury arsenide. This standard applies to the determination of trace arsenic in chemical reagents.
GB/T 610.1-1988 history
2008GB/T 610-2008 Chemical reagent.General method for the determination of arsenic
1988GB/T 610.1-1988 Chemical reagent--General method for the determination of arsenic
GB/T 610.1-1988 Chemical reagent--General method for the determination of arsenic was changed to GB/T 610-2008 Chemical reagent.General method for the determination of arsenic.