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现行 ASTM D3695-95(2021)e1
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Standard Test Method for Volatile Alcohols in Water by Direct Aqueous-Injection Gas Chromatography 用直接水进样气相色谱法测定水中挥发性醇的标准试验方法
发布日期: 2021-11-01
1.1 本试验方法涵盖各种结构和沸点的醇类,可通过水注入气相色谱法在最低检测限约为1 mg/L的情况下在水和废水中进行定量分离和检测。 2. 该试验方法也可用于定性检测其他挥发性有机化合物。在这组条件下,不容易检测到有机酸、胺和高沸点、高极性化合物。对于具有类似功能的有机物的分析,请参阅本标准第11.01卷和第11.02卷中的其他测试方法 ASTM标准年鉴 . 1.2 本试验方法采用了实践中所述的程序和预防措施 D2908 . 使用其中所述的程序和预防措施。 1.3 本试验方法已成功用于试剂等级II和天然氯化自来水。用户有责任确保该测试方法对任何未经测试的矩阵的有效性。 1.4 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.5 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 需要确定工业废水中的主要有机成分,以支持有效的厂内或污染控制计划。目前,初步识别和测量一系列挥发性有机化合物的最实用方法是气液色谱法。
1.1 This test method covers a wide range of alcohols with various structures and boiling points that can be separated and detected quantitatively in water and waste water at a minimum detection limit of approximately 1 mg/L by aqueous-injection gas-liquid chromatography. 2 This test method can also be used to detect other volatile organic compounds qualitatively. Organic acids, amines, and high boiling, highly polar compounds are not readily detectable under this set of conditions. For analysis of organics with similar functionalities, refer to other test methods in Volumes 11.01 and 11.02 of the Annual Book of ASTM Standards . 1.2 This test method utilizes the procedures and precautions as described in Practice D2908 . Utilize the procedures and precautions as described therein. 1.3 This test method has been used successfully with reagent grade Type II and natural chlorinated tap waters. It is the user's responsibility to assure the validity of this test method for any untested matrices. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 The major organic constituents in industrial waste water need to be identified for support of effective in-plant or pollution control programs. Currently, the most practical means for tentatively identifying and measuring a range of volatile organic compounds is gas-liquid chromatography.
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归口单位: D19.06
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