HJ 665-2013.Water quality-Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry. 1适用范围 HJ 665规定了测定水

HJ 665-2013.Water quality-Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry. 1适用范围 HJ 665规定了测定水

HJ 670-2013.Water quality-Determination of orthophosphate and total phosphorus-Continuous flow analysis(CFA) and Ammonium molybdate spectrophotometry.

HJ 666-2013.Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry. 1适用范围 HJ 666规定了测定水

HJ 667-2013.Water quality-Determination of total nitrogen by continuous flow analysis(CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrop

HJ 668-2013.Water quality-Determination of total nitrogen by flow injection analysis(FIA) and N-(l-naphthyl)ethylene diamine dihydrochloride spectroph

HJ 669-2013.Water quality-Determination of phosphate-Ion chromatography. 1适用范围 HJ 669规定了测定水中可溶性磷酸盐的离子色谱法。 HJ 669适用于地表水、地下水和降水中可溶性磷酸盐的测定。 当进样体积为50ul时,本

HJ 671-2013.Water quality-Determination of total phosphorus-Flow injection Analysis (FIA) and Ammonium molybdate spectrophotometry. 1适用范围 HJ 671规定了测定水

HJ 2033-2013.Technical specifications for fluoride and dust treatment in aluminum reduction waste gas. 1适用范围 HJ 2033规定了铝电解废气氟化物和粉尘治理工程的设计、施工、验收与运行维护等技

HJ 2035-2013.Technical guidelines for solid waste treatment & disposition engineering. 1适用范围 HJ 2035规定了固体废物处理处置工程设计、施工、验收和运行维护的通用技术要求。 HJ 2035适用于除