共找到 2016 条与 水的化学物质检验 相关的标准,共 135 页
Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
Standard Practice for Fast Screening for Volatile Organic Compounds in Water Using Solid Phase Microextraction (SPME)
Water quality. Determination of chromium(VI) and chromium(III) in water. Method using liquid chromatography with inductively coupled plasma mass spectrometry (LC-ICP-MS) after chelating pretreatment
本文件规定了测定水中24种全氟和多氟烷基化合物的高效液相色谱串联质谱法。 本文件适用于地表水和地下水中24种全氟和多氟烷基化合物的测定。
Water quality - Determination of 24 poly- and perfluoroalkyl substances - High performance liquid chromatography-tandem mass spectrometry
本文件给出了离子色谱法测定水中Sr2+、Ba2+的术语和定义、方法原理、试剂和材料、仪器和设备、样品、分析步骤、结果计算、质量保证和质量控制等内容及要求。 本文件适用于地表水、地下水、工业废水中Sr2+、Ba2+的测定。当进样量 20 μL时,Sr2+测定范围 0.5mg/L~100mg/L,检出限 0.125 mg/L,测定下限 0.50 mg/L;Ba2+测定范围 1.0mg/L~100mg/L,检出限 0.250 mg/L,测定下限 1.00mg/L。
Water quality-Determination of water soluble cations(Sr2+、Ba2+) -Ion chromatography
Standard Guide for PFAS Analytical Methods Selection
Standard Test Methods for Cobalt in Water
Standard Test Methods for Beryllium in Water
Standard Test Method for Elements in Water by Direct-Current Plasma Atomic Emission Spectroscopy
Standard Test Methods for Selenium in Water
Standard Test Methods for Arsenic in Water
本文件规定了水中 6 种醚类化合物监测技术的内容和方法、技术要点、质量控制等技术要求。主要包括:(1)适用范围;(2)规范性引用文件;(3)术语和定义;(4)方法原理;(5)试剂和材料;(6)仪器和设备;(7)样品;(8)分析步骤;(9)结果计算与表示;(10)精密度和准确度;(11)质量保证和质量控制等。
Water quality-Determination of 6 ether compounds-purge an trap/gas chromatography-mass spectrometer
Water quality — Determination of ammonium — Part 1: Manual spectrometric method
Water quality — Determination of manganese — Formaldoxime spectrometric method
Standard Practice for Operating Characteristics of Home Reverse Osmosis Devices
Water quality — Determination of nitrite — Molecular absorption spectrometric method
Water quality — Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge — Method using extraction and gas chromatography/mass spectrometry
Water quality — Determination of total cyanide and free cyanide using flow analysis(FIA and CFA) — Part 1: Method using flow injection analysis(FIA)
Water quality — Determination of free chlorine and total chlorine — Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine
Water quality — Determination of total cyanide and free cyanide using flow analysis(FIA and CFA) — Part 2: Method using continuous flow analysis(FIA)
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