Quantitative Analysis of Red Phosphorus in Polypropylene by Evolved Gas Analysis Mass Spectrometry

被引：0
|
作者：
Takahisa Ishimura
Atsushi Watanabe
Chuichi Watanabe
Norio Teramae
机构：
[1] Frontier Laboratories Ltd.,Department of Chemistry, Graduate School of Science
[2] Tohoku University,undefined
来源：
Analytical Sciences | 2020年 / 36卷
关键词：
Red phosphorus; flame retardants; polypropylene; evolved gas analysis-mass spectrometry; pyrolysis;
D O I：
暂无
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学科分类号：
摘要：
Quantitative analysis of red phosphorus in polypropylene was studied using a temperature programmable pyrolyzer in combination with a mass spectrometer. Evolved gas analysis (EGA) profiles were obtained by continuous measurements of evolved gases from a sample while heating the sample at a constant heating rate. During heating of the sample, red phosphorus sublimates into P4 molecules, which have characteristic ions (m/z 31, 62, 93 and 124). Red phosphorus in polypropylene was determined from the m/z 62 ion peak area of the EGA profile with good reproducibility. The determined value was close to the value of original formulation and to the one determined by pyrolysis-GC/MS.
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页码：497 / 500
页数：3
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