2009HJ 542-2009 Ambient air.Determination of mercury and its compounds.Cold atomic fluorescent spectrophotometry after sulfhydryl cotton preconcentraction
HJ 542-2009(XG1-2018) Determination of Mercury in Ambient Air Accumulation of Mercapto Cotton - Cold Atomic Fluorescence Spectrophotometry "No. 1 Amendment" was changed to HJ 542-2009 Ambient air.Determination of mercury and its compounds.Cold atomic fluorescent spectrophotometry after sulfhydryl cotton preconcentraction.