HJ 540-2009 环境空气和废气 砷的测定 二乙基二硫代氨基甲酸银分光光度法 (暂行)
Ambient air and waste gas-Determination of arsenic-Silver diethyldithiocarbamate spectrophotometric method
Ambient air and waste gas-Determination of arsenic-Silver diethyldithiocarbamate spectrophotometric method
Ambient air-determination of lead-graphite furnace atomicabsorption spectrometry
Ambient air-determination of lead-Graphite furnace atomic absorption spectrometry
Ambient air-determination of ammonia-Sodium hypochlorite-salicylic acid spectrophotometry
Ambient air and exhaust gas-determination of ammonia-nessler,s reagent spetcrophotometry
Determination of Platinum,Palladium and Rhodium loading in the vehicle-used ceramic catalytic converters—Inductive coupled plasma-optical emission spectrometry and inductive coupled plasma-mass spectr
Ambient air-determination of ozoneIndigo disulphonate spectrophotometry
Ambient air-determination of sulfur dioxide-Tetrachloromercurate (TCM) -pararosaniline method
Ambient air-determination of sulfur dioxideFormaldehyde absorbing-pararosaniline spectrophotometry
Ambient air-determination of the fluoride-- Lime-paper sampling followedby fluorine ion-selective electrode method