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产品名称: 5%Carbowax 20M Carbopack B填充柱 HJ T33-1999 固定污染源排气中甲醇的测定气相色谱法
产品型号: 5%Carbowax 20M Carbopack B填充柱
品牌: 1356
产品数量:
产品单价: 面议
日期: 2022-02-10

5%Carbowax 20M Carbopack B填充柱 HJ T33-1999 固定污染源排气中甲醇的测定气相色谱法的详细资料

HJ T33-1999 固定污染源排气中甲醇的测定气相色谱法
HJ T33-1999 固定污染源排气中甲醇的测定气相色谱法 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

1 适用范围

1.1 本标准适用于固定污染源有组织排放和无组织排放的甲醇测定。

1.2 以3倍噪音色谱峰高值计算,当色谱进样量为1.0 ml时,方法的检出限为2 mg/m3;定量测定的浓度范围为5.0-10mg/m3

2 方法原理
      载气携带含有甲醇(CH3OH)的试样通过装有固定相的色谱柱,流出色谱柱的甲醇由氢火焰离子化检测器(FID)测定。以标准样品色谱峰的保留时间进行定性,以峰高(或峰面积)定量。




HJ T33-1999 Determination of methanol in exhaust gas from stationary pollution sources by gas chromatography
HJ T33-1999 Determination of methanol in exhaust gas from stationary pollution sources by gas chromatography Details:

Name: Packed Column

Chromatographic fixative: 5% polyethylene glycol
Carrier: graphite carbon black 80-120 mesh

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

Model: 5%Carbowax 20M Carbopack B

Application: HJ T33-1999 Determination of methanol in exhaust gas from stationary pollution sources by gas chromatography

1 Scope of application

1.1 This standard is applicable to the determination of methanol in organized and unorganized emissions from stationary pollution sources.

1.2 Calculated by 3 times the noise chromatographic peak height, when the chromatographic injection volume is 1.0 ml, the detection limit of the method is 2 mg/m3; the concentration range of quantitative determination is 5.0-104 mg/m3.

2 Principles of the method
       The carrier gas carries a sample containing methanol (CH3OH) through a chromatographic column equipped with a stationary phase, and the methanol flowing out of the chromatographic column is detected by a hydrogen flame ionization detector (FID). Qualitative by the retention time of the standard sample chromatographic peak, quantitative by peak height (or peak area).