HJ 678-2013.Water quality-Digestion of total metals-Microwave assisted acid digestion method. 1 适用范围 HJ 678规定了水中金属总量的微波酸消解预处理方法。 HJ 678适用于地表水、地下水、生活污水

HJ 679-2013.Soil and sediment-Determination of acrolein, acrylonitrile, acetonitrile Headspace-Gas chromatography method. 1 适用范围 HJ 679规定了测定土壤和沉积物中丙烯醛

HJ 679-2013.Soil and sediment-Determination of acrolein, acrylonitrile, acetonitrile Headspace-Gas chromatography method. 1 适用范围 HJ 679规定了测定土壤和沉积物中丙烯醛

HJ 680-2013.Soil and sedimen-Determination of mercury,arsenic,selenium,bismuth,antimony-Microwave dissolution/Atomic Fluorescence Spectrometry. 1适用范围

HJ 680-2013.Soil and sedimen-Determination of mercury,arsenic,selenium,bismuth,antimony-Microwave dissolution/Atomic Fluorescence Spectrometry. 1适用范围

HJ 672-2013.Technical Guidelines for Environmental Protection in Coal mining and Processing Projects for Check and Accept Complected Project. 1适用范围 HJ

HJ 662-2013.Environmental protection technical specification for co-processing of Solid wastes in cement kiln. 1.适用范围 HJ 662规定了利用水泥窑协同处置固体废物的设施选择、设备建设

HJ 673-2013.Water quality-Determination of vanadium by graphite furnace atomic absorption spectrometric method. 1适用范围 HJ 673规定了测定水和废水中钒的石墨炉原子吸收分光光度法。

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。