工作场所空气有毒物质测定第166部分：丙烯醇
工作场所空气有毒物质测定 醇类化合物
WST 71-1996 车间空气中丙烯醇的直接进样气相色谱测定方法
WST 72-1996 车间空气中丙烯醇的溶剂解吸气相色谱测定方法
工作场所空气有毒物质测定
醇类化合物
1 范围
本标准规定了监测工作场所空气中醇类化合物浓度的方法。
本标准适用于工作场所空气中醇类化合物（甲醇、丙醇、丁醇、戊醇、辛醇、丙烯醇、二丙酮醇、乙二醇、糠醇、氯乙醇、二氯丙醇、1 -甲氧基-2-丙醇）浓度的测定。
2 规范性引用文件
下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单（不包括勘误的内容）或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的*新版本。凡是不注日期的引用文件，其*新版本适用于本标准。
GBZ 159 工作场所空气中有害物质监测的采样规范
3 甲醇、异丙醇、丁醇、异戊醇、异辛醇、糠醇、二丙酮醇、丙烯醇、乙二醇和氯乙醇的溶剂解吸－气相色谱法
3.1 原理
空气中的甲醇、异丙醇、丁醇、异戊醇、异辛醇、糠醇、二丙酮醇、丙烯醇、乙二醇和氯乙醇用固体吸附剂管采集，溶剂解吸后进样，经色谱柱分离，氢焰离子化检测器检测，以保留时间定性，峰高或峰面积定量。
3.2 仪器
3.2.1 硅胶管：溶剂解吸型，200mg/100mg 硅胶（用于甲醇和乙二醇）。
3.2.2 活性炭管：溶剂解吸型，100mg/50mg 活性炭（用于异丙醇、丁醇、异戊醇、异辛醇、二丙酮醇、丙烯醇和氯乙醇）。
3.2.3 GDX- 501管：溶剂解吸型，100mg/50mg GDX-501（用于糠醇）。
3.2.4 空气采样器：流量 0 mL/min ~500mL/min。
3.2.5 溶剂解吸瓶：5mL。
3.2.6 微量注射器：10mL。
3.2.7 气相色谱仪，氢焰离子化检测器。
仪器操作参考条件：
色谱柱1（用于甲醇）：2m×4mm，GDX-102；
柱 温：140℃；
汽化室温度：180℃；
检测室温度：200℃；
载气（氮气）流量：35mL/min。
色谱柱2（用于甲醇以外醇类化合物）：2m×4mm，FFAP:Chromosorb WAW＝10:100；
柱 温：90℃（用于异丙醇、正丁醇、异丁醇、异戊醇和丙烯醇）；
100℃（用于二丙酮醇）；
140℃(用于糠醇和氯乙醇)；
170℃（用于异辛醇和乙二醇）；
汽化室温度：200℃；
检测室温度：220℃；
载气（氮气）流量：40mL/min。
名称：填充柱
固定液：聚乙二醇6000
担体：6021（60-80目）
配比：PEG6000:6201=5:100
型号：5%PEG-6000/6201
应用：WS/T 71-1996
车间空气中丙烯醇的直接进样气相色谱测定方法
Determination of Toxic Substances in Workplace Air Part 166: Allyl Alcohol
Determination of Toxic Substances in Workplace Air Alcohol Compounds
WST 71-1996 Method for the determination of propenyl alcohol in workshop air by direct injection gas chromatography
WST 72-1996 Method for the determination of propenyl alcohol in workshop air by solvent desorption gas chromatography
Determination of Toxic Substances in Workplace Air
Alcohol compounds
1 Scope
This standard specifies methods for monitoring the concentration of alcohol compounds in workplace air.
This standard applies to alcohol compounds (methanol, propanol, butanol, amyl alcohol, octanol, propenol, diacetone alcohol, ethylene glycol, furfuryl alcohol, chloroethanol, dichloropropanol, 1-methyl alcohol) in the workplace air. oxy-2-propanol) concentration.
2 Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding errata content) or revisions do not apply to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. . For undated references, the latest edition applies to this standard.
GBZ 159 Sampling Specifications for Monitoring Hazardous Substances in Workplace Air
3 Solvent desorption-gas chromatography for methanol, isopropanol, butanol, isoamyl alcohol, isooctanol, furfuryl alcohol, diacetone alcohol, allyl alcohol, ethylene glycol and chloroethanol
3.1 Principle
Methanol, isopropanol, butanol, isoamyl alcohol, isooctanol, furfuryl alcohol, diacetone alcohol, propenol, ethylene glycol and chloroethanol in the air were collected with a solid adsorbent tube, and the solvent was desorbed and then injected, and passed through a chromatographic column. Separation, detection by hydrogen flame ionization detector, quantification by retention time, peak height or peak area quantification.
3.2 Instruments
3.2.1 Silica gel tube: solvent desorption type, 200mg/100mg silica gel (for methanol and ethylene glycol).
3.2.2 Activated carbon tube: solvent desorption type, 100mg/50mg activated carbon (for isopropanol, butanol, isoamyl alcohol, isooctanol, diacetone alcohol, allyl alcohol and chloroethanol).
3.2.3 GDX-501 tube: solvent desorption type, 100mg/50mg GDX-501 (for furfuryl alcohol).
3.2.4 Air sampler: flow rate 0 mL/min ~500 mL/min.
3.2.5 Solvent desorption bottle: 5mL.
3.2.6 Micro syringe: 10mL.
3.2.7 Gas chromatograph, hydrogen flame ionization detector.
Instrument operating reference conditions:
Column 1 (for methanol): 2m×4mm, GDX-102;
Column temperature: 140℃;
Vaporization chamber temperature: 180℃;
Detection room temperature: 200℃;
Carrier gas (nitrogen) flow: 35mL/min.
Column 2 (for alcohol compounds other than methanol): 2m×4mm, FFAP: Chromosorb WAW=10:100;
Column temperature: 90°C (for isopropanol, n-butanol, isobutanol, isoamyl alcohol and propenol);
100℃ (for diacetone alcohol);
140°C (for furfuryl alcohol and chloroethanol);
170℃ (for isooctanol and ethylene glycol);
Vaporization chamber temperature: 200℃;
Detection room temperature: 220℃;
Carrier gas (nitrogen) flow: 40mL/min.
Name: Packed Column
Fixative: polyethylene glycol 6000
Loader: 6021 (60-80 mesh)
Ratio: PEG6000:6201=5:100
Model: 5%PEG-6000/6201
Application: WS/T 71-1996 Direct injection gas chromatography method for determination of propenyl alcohol in workshop air
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