HH-JIABEN 色谱法测工作场所空气苯、甲苯、二甲苯

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色谱法测工作场所空气苯、甲苯、二甲苯
色谱法测工作场所空气苯、甲苯、二甲苯 详细信息：

固定相：专用

规格：2m*1/8

粒度：60-80目
型号：HH-JIABEN

应用：苯系物测定

滕州市浩瀚色谱仪器技术服务有限公司，通过实验建立工作场所空气中苯、甲苯、二甲苯的测定方法。方法:用甲苯柱,程序升温,FID检测器,以各组分的保留时间定性,峰面积与标准曲线比较定量。结果:苯、甲苯、对二甲苯、间二甲苯、邻二甲苯保留时间分别为:4.148、5.365、6.865、6.982、7.748min;线性范围均为20～200μg/mL;线性相关系数分别为:0.9998、0.9997、0.9998、0.9998、0.9998;检出限分别为:3.4、4.7、5.0、4.6、4.9ng;RSD分别为:5.07%、6.29%、6.57%、6.68%、6.60%;回收率分别为:97.2%、102.3%、95.5%、96.0%、95.0%。结论:本方法有较好的灵敏度、度和准确度,适合于工作场所空气中苯、甲苯、二甲苯的测定。

色谱法测工作场所空气苯、甲苯、二甲苯 图片：



Chromatography of workplace benzene, toluene, xylene
Chromatography method for measuring workplace air benzene, toluene, xylene Details:

Stationary phase: dedicated

Specification: 2m*1/8

Particle size: 60-80 mesh
Model: HH-JIABEN

Application: Determination of benzene series


Tengzhou Haohao Chromatography Instrument Technology Service Co., Ltd. established a method for determining benzene, toluene and xylene in the workplace air through experiments. Method: Using a toluene column, temperature-programmed, FID detector, the retention time of each component was qualitative, and the peak area was compared with the standard curve. Results: The retention times of benzene, toluene, p-xylene, m-xylene and o-xylene were: 4.148, 5.365, 6.865, 6.982, 7.748 min; the linear range was 20-200 μg/mL; the linear correlation coefficients were: 0.9998. , 0.9997, 0.9998, 0.9998, 0.9998; detection limits were: 3.4, 4.7, 5.0, 4.6, 4.9 ng; RSD were: 5.07%, 6.29%, 6.57%, 6.68%, 6.60%; the recovery rates were: 97.2%, 102.3%, 95.5%, 96.0%, 95.0%. Conclusion: This method has good sensitivity, precision and accuracy, and is suitable for the determination of benzene, toluene and xylene in the workplace air.

Chromatography of workplace benzene, toluene, xylene