丁醛是重要的有机化工产品,主要用于制造树脂、增塑刹、硫化促进剂等。丁醛中主要杂质有水、巴豆醛、丁酸及微量的乙醛、乙醇、丙酮等。丁醛含量为95％以上,用化学分析难度较大,准确度也差。
浩瀚色谱（山东）应用技术开发有限公司采用气相色谱仪(FID检测器),聚乙二醇毛细管柱，对杂质进行色谱定量后,用差减法计算丁醛含量,获得了较为满意的结果,最大相对偏差为5.26％。
本标准规定了工业用正丁醛的要求、试验方法、检验规则、标志、包装、运输、贮存及安全。
本标准适用于由丙烯羰基合成法制得的工业用正丁醛
名称：毛细管柱
型号：PEG-20M
规格：30m*0.32mm*0.5um
温度：240°C
编号：20230211001
应用：HG/T 4964-2016 工业正丁醛
Butyraldehyde is an important organic chemical product mainly used in the manufacturing of resins, plasticizers, vulcanization accelerators, etc. The main impurities in butyraldehyde include water, crotonaldehyde, butyric acid, and trace amounts of acetaldehyde, ethanol, acetone, etc. The content of butyraldehyde is over 95%, which makes chemical analysis difficult and has poor accuracy.
Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. used a gas chromatograph (FID detector) and a polyethylene glycol capillary column to quantitatively analyze impurities. The butanal content was calculated using the subtraction method, and satisfactory results were obtained with a maximum relative deviation of 5.26%.
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and safety of n-butyraldehyde for industrial use.
This standard is applicable to industrial n-butanal obtained by propylene carbonyl synthesis method
Name: Capillary Column
Model: PEG-20M
Specification: 30m * 0.32mm * 0.5um
Temperature: 240 ° C
No.: 20230211001
Application: HG/T 4964-2016 Industrial n-butanal
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