HJ 674-2013.Water quality-Determination of hydrazine and monomethyl hydrazine by p-Dimethylaminobenzaldehyde spectrophotometric method. 1适用范围 HJ 674规定

HJ 693-2014.Stationary source emission-Determination of nitrogen oxides-Fixed potential by electrolysis method. 1适用范围 HJ 693规定了测定固定污染源废气中氮氧化物的定电位电解法。

HJ 2536-2014.Technical requirement for environmental labeling products Computers and displays. 1适用范围 HJ 2536规定了微型计算机、显示器类环境标志产品的术语和定义、基本要求、技术内容和检验方法。

HJ 2536-2014.Technical requirement for environmental labeling products Computers and displays. 1适用范围 HJ 2536规定了微型计算机、显示器类环境标志产品的术语和定义、基本要求、技术内容和检验方法。

HJ 2537-2014.Technical requirement for environmental labeling products Water based coatings. 1适用范围 HJ 2537规定了水性涂料环境标志产品的术语和定义、基本要求、技术内容和检验方法。 HJ 2537适

HJ 695-2014.Soil-Determination of organic carbon-Combustion oxidation nondispersive infrared absorption method. 1适用范围 HJ 695规定了测定土壤中有机碳的燃烧氧化-非分散红外法。 H

HJ 694-2014.Water Quality-Determination of Mercury, Arsenic，Selenium， Bismuth and Antimony-Atomic Fluorescence Spectrometry. 1适用范围 HJ 694规定了测定水中汞、砷、硒、

HJ 689-2014.Limits and measurement methods for exhaust pollutants from diesel engines of urban vehicles ( WHTC). 1适用范围 HJ 689规定了城市车辆用柴油发动机WHTC工况法的排气污染

HJ 690-2014.Stationary source emission一Determination of benzene soluble particulate matter一Soxhlet extraction gravimetric method. 1适用范围 HJ 690规定了固定污染源

HJ 691-2014.Ambient air-Sampling technical guideline of semi-volatile organic compounds(SVOCs). 1适用范围 HJ 691规定了环境空气中半挥发性有机物的主动采样技术要求。 HJ 691适用于规范环境空气中