工业用乙二醇试验方法纯度和杂质的测定HH-624
工业用乙二醇试验方法纯度和杂质的测定HH-624 详细信息：
GB/T 14571.2-2018 工业用乙二醇试验方法 第2部分：纯度和杂质的测定 气相色谱法 GB/T14571的本部分规定了测定工业用乙二醇中纯度及杂质气相色谐法的原理、试剂或材料、仪器设备、样品、试验步骤、试验数据处理、精密度、控制、试验报告。 本部分适用于测定纯度不低于98.0%（质量分数）的工业用乙二醇样品。其中，1，2-丙二醇和三乙二醇的检测限为0.0020%（质量分数），1，3-二氧杂烷-2-甲醇、二乙二醇、1，2-丁二醇、1，4-丁二醇、1，2- 己二醇和碳酸乙烯酯的检测限为0.0010%（质量分数）。
名称：毛细管柱
固定相：6 %腈丙基苯基 94 %二甲基聚硅氧烷，
规格：30m*0.32mm*1.8um
型号：HH-624
名称：毛细管柱
固定相：6 %腈丙基苯基 94 %二甲基聚硅氧烷，
规格：60m*0.25mm*1.4um
型号：HH-624
应用：GB/T 14571.2-2018 工业用乙二醇试验方法 第2部分：纯度和杂质的测定
工业用乙二醇试验方法纯度和杂质的测定HH-624 测试谱图：
Test methods for ethylene glycol for industrial use Determination of purity and impurities HH-624
Test methods for industrial ethylene glycol Determination of purity and impurities HH-624 Details:
GB/T 14571.2-2018 Test Methods for Industrial Ethylene Glycol Part 2: Determination of Purity and Impurities Gas Chromatography This part of GB/T 14571 specifies the principle, reagents or materials, instruments and equipment, samples, test procedures, test data processing, precision, quality assurance and control, and test reports of the gas chromatography method for the determination of purity and impurities in industrial ethylene glycol. This part is applicable to the determination of industrial ethylene glycol samples with purity not less than 98.0% (mass fraction). The detection limit of 1,2-propanediol and triethylene glycol is 0.0020% (mass fraction), and the detection limit of 1,3-dioxane 2-methanol, diethylene glycol, 1,2-butanediol, 1,4-butanediol, 1,2-hexanediol and ethylene carbonate is 0.0010% (mass fraction).
Name: capillary column
Stationary phase: 6% cyanopropyl phenyl 94% dimethyl polysiloxane,
Specification: 30m * 0.32mm * 1.8um
Model: HH-624
Name: capillary column
Stationary phase: 6% cyanopropyl phenyl 94% dimethyl polysiloxane,
Specification: 60m * 0.25mm * 1.4um
Model: HH-624
Application: GB/T 14571.2-2018 Test Methods for Ethylene Glycol for Industrial Use Part 2: Determination of Purity and Impurities
Test methods for industrial ethylene glycol Determination of purity and impurities HH-624 Test spectrogram: