空气中的甲醇被水吸收后，甲醇与其他醇共存时,对本法有干扰,此时应选用气相色谱法进行测定。
浩瀚色谱(山东)应用技术开发有限公司，，采用PEG20M毛细管柱测定环境空气 甲醇，当采样体积为20L时,取5ml样品溶液测定,检出下限浓度为0.3mg/m3,其测量范围为 0.5～5mg/m3。
名称：毛细管柱
型号：PEG-20M
规格：30 m×250 um×0.25 um
zui高温度：250°C
应用：环境空气 甲醇的测定 溶液吸收-氢火焰气相色谱法T/NAIA 0385-2025
When methanol in the air is absorbed by water and coexists with other alcohols, it interferes with this method. In this case, gas chromatography should be used for determination.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. uses a PEG20M capillary column to measure ambient air methanol. When the sampling volume is 20L, 5ml of sample solution is taken for measurement. The detection limit concentration is 0.3mg/m3, and the measurement range is 0.5-5mg/m3.
Name: Capillary Column
Model: PEG-20M
Specification: 30 m × 250 um × 0.25 um
Zui high temperature: 250 ° C
Application: Determination of Methanol in Environmental Air Solution Absorption Hydrogen Flame Gas Chromatography T/NAIA 0385-2025
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