HJ 424-2017.Technical requirement for environmental labeling products Digital copying (including multi-function) devices. 1适用范围 HJ 424规定了数字式复印(包括多功能)设

HJ 901-2017.Ambient air- Determination of organochlorine pesticides-Gas chromatography. 1适用范围 HJ 901规定了测定环境空气中有机氯农药的气相色谱法。 HJ 901适用于环境空气气相和颗粒物中六氯苯、a-六

HJ 903-2017.Ambient air-Determination of polychlorinated biphenyls-Gas chromatography. 1适用范围 HJ 903规定了测定环境空气中多氯联苯的气相色谱法。 HJ 903适用于环境空气气相和颗粒物中PCB 8、PCB

HJ 904-2017.Ambient air-Determination of polychlorinated biphenyl mixtures-Gas chromatography. 1适用范围 HJ 904规定了测定环境空气中多氯联苯工业混合物的气相色谱法。 HJ 904适用于环境空气气相和

HJ 906-2017.Technical specifications for automatic monitoring of acoustic environment quality in function area. 1适用范围 HJ 906规定了功能区声环境质量自动监测的监测方法、主要监测项

HJ 907-2017.Technical requirements for automatic monitoring system of environmental noise. 1适用范围 HJ 907规定了环境噪声自动监测系统的技术要求、性能指标和检测方法。 HJ 907适用于环境噪声自动监测

HJ 604-2017.Ambient air-Determination of total hydrocarbons, methane andnonmethane hydrocarbons-Direct injection/Gas chromatography. 1适用范围 HJ 604规定了测定

HJ 889-2017.Soil quality-Determination of cation exchange capacity (CEC)-Hexamminecobalt trichloride solution-Spectrophotometric method. 1适用范围 HJ 889规

HJ 890-2017.Soil and sediment-Determination of polychlorinated biphenylmixtures-Gas chromatography. 1适用范围 HJ 890规定了测定土壤和沉积物中多氯联苯混合物的气相色谱法。 HJ 890适用于土壤

HJ 891-2017.Solid waste-Determination of polychlorinated biphenyls-Gas chromatography mass spectrometry. 1适用范围 HJ 891规定了测定固体废物及其浸出液中多氯联苯的气相色谱-质谱法。 HJ