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2m*3mm甲醇专用柱
2m*3mm甲醇专用柱 详细信息：

名称：填充柱

色谱固定液：5%聚乙二醇
载体：石墨炭黑80-120目

规格：2m*3mm，2m*1/8

型号：5%Carbowax 20M Carbopack B

应用： HJ T33-1999 固定污染源排气中甲醇的测定气相色谱法 

浩瀚色谱（山东）应用技术开发有限公司对自动顶空进样器与气相色谱法联用技术测定环境空气和废气中甲醇的方法进行了研究。结果表明:当样品加入4 g氯化钠,顶空平衡温度为80℃,平衡时间为20 min,用5%Carbowax 20M Carbopack B甲醇专用柱分离,氢火焰离子化检测器检测时,得到甲醇标准曲线方程为y=23 415x+237.2,相关系数(R)0.999 4;检出限为0.002 mg/m3,相对标准偏差(n=6)为0.5%,加标回收率为98.9%。该方法简单、灵敏、分离度好、检出限低。

2m*3mm甲醇专用柱  测试谱图：



2m*3mm methanol dedicated column
2m*3mm methanol dedicated column Details:

Name: Packed column
Chromatographic stationary liquid: 5% polyethylene glycol
Carrier: Graphite carbon black 80-120 mesh

Specification: 2m*3mm, 2m*1/8

Model: 5% Carbowax 20M Carbopack B

Application: HJ T33-1999 Determination of Methanol in Exhaust from Stationary Pollution Sources Gas Chromatography

Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. has carried out research on the method of automatic headspace sampler combined with gas chromatography for the determination of methanol in ambient air and exhaust gas. The results show that when the sample is added with 4 g of sodium chloride, the headspace equilibrium temperature is 80°C, and the equilibrium time is 20 min, it is separated with a 5% Carbowax 20M Carbopack B methanol column and detected by a hydrogen flame ionization detector, and the methanol standard is obtained. The curve equation is y=23 415x+237.2, the correlation coefficient (R) is 0.999 4; the detection limit is 0.002 mg/m3, the relative standard deviation (n=6) is 0.5%, and the recovery rate of standard addition is 98.9%. The method is simple, sensitive, good resolution, and low detection limit.

2m*3mm methanol dedicated column Test spectrum: 


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