HH-5毛细管柱 毛细管柱测定工业用顺丁烯二酸酐

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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

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

Stationary phase: 5% phenyl-methyl polysiloxane
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 ionization detector (FID), the sensitivity and stability of the whole machine should meet the requirements in GB/T 9722
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 ionization detector detection, internal standard method quantification, calculate the total impurity content, subtract 100% of the total impurity content (quality
Amount fraction) to obtain the content of maleic anhydride.


Capillary column determination of maleic anhydride for industrial use Test spectrum:


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