甲醇是重要的基础化工原料和清洁燃料，在医药、农药、涂料、塑料、有机合成化工等行业领域有广泛应用。甲醇对人体具有强烈毒性，沸点较低，易挥发到空气中，被列为环境空气和固定污染源废气的气态污染物之一。
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。以3倍噪音色谱峰高值计算，当色谱进样量为1.0ml时，方法的检出限为2mg/m3；定量测定的浓度范围为5.0～104mg/m3。
名称：甲醇专用填充柱
型号：5%Carbowax20M Carbopack B
规格：2m*3mm，80-120目
编号：20231025005
*高使用温度：220℃
应用：HJ/T 33-1999 固定污染源排气中甲醇的测定 气相色谱法
Methanol is an important basic chemical raw material and clean fuel, widely used in industries such as pharmaceuticals, pesticides, coatings, plastics, and organic synthetic chemicals. Methanol has strong toxicity to the human body, low boiling point, and is easily volatile into the air. It is listed as one of the gaseous pollutants in environmental air and fixed source exhaust gas.
This standard is applicable to the determination of methanol in both organized and unorganized emissions from fixed pollution sources. When the chromatographic peak height is calculated at 3 times the noise, the detection limit of the method is 2mg/m3 when the chromatographic injection volume is 1.0ml; The concentration range for quantitative determination is 5.0~104mg/m3.
Name: Methanol Special Filled Column
Model: 5% Carbowax20M Carbopack B
Specification: 2m * 3mm, 80-120 mesh
No.: 20231025005
*High operating temperature: 220 ℃
Application: HJ/T 33-1999 Determination of Methanol in Fixed Source Exhaust Gas by Gas Chromatography
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