共找到 353 条与 水质 相关的标准,共 24 页
Enzyme Substrate Method for Determination of Enterococci in Water Quality
Determination of Water Quality Environmental Hormone Compounds by Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry
Determination of Water Quality Aldicarb Solid Phase Extraction-Liquid Chromatography
Determination of Carbofuran in Water by Solid Phase Extraction-Liquid Chromatography
Determination of Odor and Taste Substances in Water Quality by Solid Phase Extraction-Gas Chromatography-Mass Spectrometry
本标准规定了测定生活饮用水及其水源水中硫醚类物质的顶空-气相色谱-质谱法。 本标准适用于生活饮用水及其水源水中的二甲基硫醚、二乙基硫醚、二甲基二硫醚、二甲基三硫醚的测定。 本标准中二甲基硫醚(DMS)、二乙基硫醚(DES)、二甲基二硫醚(DMDS)、二甲基三硫醚(DMTS)的方法检出限分别为0.3μg/L、0.25μg/L、0.20μg/L、0.15μg/L,测定下限均为1.2μg/L。
Water quality—Determination of thioether—Headspace-gas chromatography-Mass spectrometry
Determination of Water Quality Chlorpyrifos Solid Phase Extraction-Liquid Chromatography
Determination of water quality glyphosate ion chromatography
Water Quality Determination of Acrylamide by Liquid Chromatography-Tandem Mass Spectrometry
Determination of water quality UV254 by ultraviolet spectrophotometry
Technical specifications for cleaning and cleaning of secondary water supply facilities
本标准规定了测定水中吡啶的顶空/气相色谱法。 本标准适用于地表水、地下水、生活污水和工业废水中吡啶的测定。 当取样体积为10.0ml时,方法检出限为0.03mg/L,测定下限为0.12mg/L。
Water quality-Determination of pyridine-Headspace/gas chromatography
本标准适用于集中式供水的出厂水和管网末梢水、二次供水、管道分质供水的水质在线监测。重大活动公共卫生保障、饮用水污染应急水质在线监测可参照执行。
Technical specifications for on-line monitoring of drinking water quality
Technical specifications for cleaning and disinfection of secondary water supply and storage facilities
Test method for ordorous compounds in water
Photometric method for determination of fecal coliform bacteria in water quality
本标准规定了测定水中苯系物的顶空/气相色谱法。 本标准适用于地表水、地下水、生活污水和工业废水中苯、甲苯、乙苯、对二甲苯、间二甲苯、邻二甲苯、异丙苯和苯乙烯等8种苯系物的测定。 自本标准实施之日起,原国家环境保护局1989年12月25日批准发布的《水质苯系物的测定气相色谱法》 (GB/T 11890-1989)在相应的环境质量标准和污染物排放(控制)标准实施中停止执行。
Water quality-Determination of benzene and its analogies-Headspace/gas chromatography
Agricultural Water Quotas in Shandong Province
Determination of chemical oxygen demand in high chlorine water quality Dichromate method
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