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毛细管柱测定工业用顺丁烯二酸酐毛细管柱测定工业用顺丁烯二酸酐 详细信息：
名称：毛细管柱
固定相：5%苯基-甲基聚硅氧烷
规格：30m*0.32mm*0.25um
型号：HH-5
应用： GB/T 3676-2020 工业用顺丁烯二酸酐
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１ 气相色谱仪：配有氢火焰离子化检测器（ＦＩＤ），整机灵敏度和稳定性应符合 ＧＢ／Ｔ９７２２中有
关规定。
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２ 色谱工作站：色谱数据处理机或带色谱工作软件的计算机。
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３ 可调移液器：０ｍＬ～１ｍＬ、０ｍＬ～５ｍＬ。
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４ 进样注射器：１０μＬ。
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５ 实验室烘箱或其他加热装置：温度可设定为（６５±１）℃、（８５±１）℃。
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６ 容量瓶：１００ｍＬ，２００ｍＬ。
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７ 试剂瓶：２０ｍＬ。
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８ 进样试瓶：２ｍＬ。
取适量顺丁烯二酸酐样品与双（三甲基硅烷基）三氟乙酰胺（ＢＳＴＦＡ）于６５ ℃的温度下反应
１０ｍｉｎ，使样品中的杂质化合物与ＢＳＴＦＡ生成稳定衍生物。在选定的色谱操作条件下，使样品汽化后
经色谱柱分离，氢火焰离子化检测器检测，内标法定量，计算杂质总含量，用１００％减去杂质总含量（质
量分数）得到顺丁烯二酸酐的含量。
毛细管柱测定工业用顺丁烯二酸酐 测试谱图：
Capillary Column Determination of Maleic Anhydride for Industrial Use
Capillary column determination of maleic anhydride for industrial use Details:
Name: Capillary Column
Statio
Specification: 30m*0.32mm*0.25um
Model: HH-5
Application: GB/T 3676-2020 maleic anhydride for industrial use
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1 Gas chromatograph: equipped with hydrogen flame io
Related regulations.
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2 Chromatography workstation: chromatographic data processor or computer with chromatographic working software.
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3 Adjustable pipettes: 0mL～1mL, 0mL～5mL.
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4 Injection syringe: 10μL.
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5 Laboratory oven or other heating device: the temperature can be set to (65 ± 1) ℃, (85 ± 1) ℃.
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6 Volumetric flask: 100mL, 200mL.
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7 Reagent bottle: 20mL.
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8 Sample injection test bottle: 2mL.
Take an appropriate amount of maleic anhydride and react with bis(trimethylsilyl)trifluoroacetamide (BSTFA) at a temperature of 65 ℃
10min, make the impurity compounds in the sample and BSTFA form stable derivatives. After the sample is vaporized under the selected chromatographic operating conditions
After chromatographic column separation, hydrogen flame io
Amount fraction) to obtain the co
Capillary column determination of maleic anhydride for industrial use Test spectrum: