HJ 550-2015 水质钴的测定5-氯-2-(呲啶偶氮)-1,3-二氨基苯分光光度法
Water quality-Determination of cobalt5-CL-PADAB Spectrophotometry
Water quality-Determination of cobalt5-CL-PADAB Spectrophotometry
Solid wastes-determination of volatile halhydrocarbons Purge and trap gas chromatography mass spectrometry
Water quality-Determination of cobalt-5-CI-PADAB spectrophotometry
Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
Solid waste-Determination of total phosphorus-Ammonium metamolybdatespectrophotometric method
Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
Water quality-Determination of ammonia nitrogen-Nessler,s reagent spectrophotometry
Solid waste Determination of phenoIic compounds-Gas chromatography
Water quality-determination of dissolved oxygen-Electrochemical probe method
Solid Waste-determination of Mercurv. Arsenic SeleniumBismuth. Antimony-microwave Dissolution/ Atomic FluorescenceSpectrometry