GDX-104是一种国产的聚二乙烯苯多孔小球，属于有机聚合物固定相，在气相色谱分析中应用广泛
主要应用场景
该固定相主要用于分析低分子量、挥发性物质，特别是在以下领域表现出色：
气体分析：
测定空气中的微量水分、液氧中的硫化氢和二硫化碳。
分析精乙烯、精丙烯中的微量一氧化碳和二氧化碳。
分离微生物反硝化作用产生的一氧化二氮（N₂O）。
分析半水煤气及C1-C5烃类。
有机物分析：
测定生物乙醇催化脱水制备乙烯的反应产物（包括乙烯、水、乙醛、乙醇、乙醚和丙酮等）。
分析乙酸与丁醇的酯化反应产物。
中成药分析：曾用于“舒肝止痛片”中芍药苷的预分离。
浩瀚色谱(山东)应用技术开发有限公司，研制的《GDX-104岛津填充色谱柱应用甲烷 》，柱效高，分离良好，氧与甲烷分开，面积外标法定量。
规格：3m*3mm（内径）4mm（外径）
型号：GDX-104(0.15mm-0.18mm）
zui高温度：250°C
GDX-104 is a domestically produced porous small ball of polyvinylbenzene, which belongs to the organic polymer stationary phase and is widely used in gas chromatography analysis
Main application scenarios
This stationary phase is mainly used for analyzing low molecular weight, volatile substances, and particularly performs well in the following fields:
Gas analysis:
Measure trace amounts of moisture in the air, as well as hydrogen sulfide and carbon disulfide in liquid oxygen.
Analyze trace amounts of carbon monoxide and carbon dioxide in refined ethylene and refined propylene.
Separate the nitrous oxide (N ₂ O) produced by microbial denitrification.
Analyze semi water gas and C1 to C5 hydrocarbons.
Organic analysis:
Determine the reaction products (including ethylene, water, acetaldehyde, ethanol, ether, acetone, etc.) of ethylene prepared by catalytic dehydration of bioethanol.
Analyze the esterification reaction products of acetic acid and butanol.
Analysis of traditional Chinese patent medicines and simple preparations: it was used for the pre separation of paeoniflorin in "Shugan Zhitong Tablets".
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. has developed the "GDX-104 Shimadzu packed chromatography column for methane application", which has high column efficiency, good separation, separation of oxygen and methane, and quantification by area external standard method.
Specification: 3m * 3mm (inner diameter) 4mm (outer diameter)
Model: GDX-104 (0.15mm-0.18mm)
Zui high temperature: 250 ° C
Application: Determination of Methane in Environmental Air/Fixed Source Waste Gas
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