本标准规定了用气相色谱法测定水源水中的巴豆醛。

　　本标准适用于测定水源水中的巴豆醛。本法最低检测浓度为0.16 mg/L,

　　浩瀚色谱采用气相色谱法直接测定工作场所中巴豆醛,探索检测条件,进行方法学研究.方法:建立工作场所中巴豆醛的气相色谱测定方法,为制订标准检验方法提供依据.结果:该方法最低检测浓度:乙醛 1.08 mg/m3,巴豆醛 0.54 mg/m3;总不确定度为 8.58%;相对标准偏差在 2.71%～9.31%之间;平均回收率达 97.2%～104%.结论:该方法简单、灵敏、适用,重现性好,结果令人满意.

　　名称:填充柱

　　固定相:15%聚乙二醉-4000涂溃在 102白色担体上。

　　规格:2m*4mm（内径）

　　型号:15%PEG-40000/102

　　应用:GBT 11940-1989 水源水中巴dou醛检验标准方法 气相色谱法

　　This standard specifies the use of gas chromatography to determine crotonaldehyde in water sources.

　　This standard is applicable to the determination of crotonaldehyde in water sources. The minimum detection concentration for this method is 0.16 mg/L,

　　Haohan Chromatography uses gas chromatography to directly determine crotonaldehyde in the workplace, explore detection conditions, and conduct methodological research. Method: A gas chromatography determination method for crotonaldehyde in the workplace is established to provide a basis for formulating standard inspection methods. Results: The minimum detection concentration of this method is: acetaldehyde 1.08 mg/m3, crotonaldehyde 0.54 mg/m3; The total uncertainty is 8.58%; The relative standard deviation is between 2.71% and 9.31%; The average recovery rate ranges from 97.2% to 104%. Conclusion: This method is simple, sensitive, applicable, with good reproducibility and satisfactory results

　　Name: Filled Column

　　Fixed phase: 15% polyethylene glycol -4000 coated on 102 white support.

　　Specification: 2m * 4mm (inner diameter)

　　Model: 15% PEG-40000/102

　　Application: GBT 11940-1989 Standard Method for Detection of Aldehydes in Source Water - Gas Chromatography