ASTM D7599-2016
采用单反应监测液相色谱法/串联质谱法测定水中二乙醇胺, 三乙醇胺, N-甲基二乙醇胺和N-乙基二乙醇胺的标准试验方法

Standard Test Method for Determination of Diethanolamine, Triethanolamine, N-Methyldiethanolamine and N-Ethyldiethanolamine in Water by Single Reaction Monitoring Liquid Chromatography/Tandem Mass S

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标准号

ASTM D7599-2016

发布日期

2016年

实施日期

废止日期

无

国际标准分类号

13.060.50

发布单位

US-ASTM

适用范围

5.1x00a0;N-Ethyldiethanolamine, N-methyldiethanolamine and triethanolamine are Schedule 3 compounds under the Chemical Weapons Convention (CWC). Schedule 3 chemicals include those that have been produced, stockpiled or used as a chemical weapon, poses otherwise a risk to the object and purpose of the CWC because they possess such lethal or incapacitating toxicity as well as other properties that might enable it to be used as a chemical weapon, poses otherwise a risk to the object and purpose of the CWC by virtue of itx2019;s importance in the production of one or more chemicals listed in Schedules 1 or 2, or it may be produced in large commercial quantities for purposes not prohibited under the CWC.4 Ethanolamines have a broad spectrum of applications. They are used to produce adhesives, agricultural products, cement grinding aids, concrete additives, detergents, specialty cleaners, personal care products, gas treatments, metalwork, oil well chemicals, packaging and printing inks, photographic chemicals, rubber, textile finishing, urethane coatings, textile lubricants, polishes, pesticides, and pharmaceuticals. Ethanolamines are readily dissolved in water, biodegradable and the bio-concentration potential is low.5

5.2x00a0;This test method has been investigated for use with reagent and surface water.

1.1x00a0;This procedure covers the determination of diethanolamine, triethanolamine, N-methyldiethanolamine and N-ethyldiethanolamine (referred to collectively as ethanolamines in this test method) in surface water by direct injection using liquid chromatography (LC) and detected with tandem mass spectrometry (MS/MS). These analytes are qualitatively and quantitatively determined by this test method. This test method adheres to single reaction monitoring (SRM) mass spectrometry.

1.2x00a0;This test method has been developed by US EPA Region 5 Chicago Regional Laboratory (CRL).

1.3x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4x00a0;The Detection Verification Level (DVL) and Reporting Range for the ethanolamines are listed in Table 1.

1.4.1x00a0;The DVL is required to be at a concentration at least 3 times below the Reporting Limit (RL) and have a signal/noise ratio greater than 3:1. Fig. 1 displays the signal/noise ratios at the DVLs and at higher concentrations for N-methyldiethanolamine.

RSD (%)

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