GB/T 34500.2-2017(\u82f1\u6587\u7248)
稀土废渣、废水化学分析方法 第2部分:化学需氧量(COD)的测定
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 34532-2017
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 38596-2020
Determination method of heavy metal contents in the wastewater during catalyst production
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
HG/T 6072-2022
HG/T 4552.1~4552.3-2013
YB/T 6195-2024
DB44/T 1157-2013
GB/T 43753.3-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 3:Determination of sulfate content—Barium sulphate gravimetric method
GB/T 43753.4-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 4:Determination of chlorine ion—Silver chlorine turbidimetric method
HG/T 4552.1-2013
Method for the measurement tin-content in spent tin-stripping solution-Part 1:Potassium iodate titration method
HG/T 6117-2022
DB44/T 1158-2013
HG/T 4552.2-2013
Method for the measurement tin-content in spent tin-stripping solution-Part 2:Atomic absorption spectrophotometry method
HG/T 4552.3-2013
Method for the measurement tin-content in spent tin-stripping solution-Part 3:Inductively coupled plasma atomic emission spectrometric method
GB/T 43753.1-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 1:Determination of gold, silver, platinum, palladium and iridium contents—Inductively coupled plasma-atomic emission spectrometry
GB/T 43753.2-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 2:Determination of zinc, manganese, chromium, cadmium, lead, iron, aluminium, nickel, copper and beryllium contents—Inductively coupled plasma-atomic emission spectrometry
PIMA IT4.48
Photography (Processing) - Effluents - Determination of Ammoniacal Nitrogen Content - Microdiffusion Method
20242257-T-469
Chemical analysis method for rare earth waste residue and waste water——Part 7:Determination of thorium and uranium contents