BS ISO 13741-1:1998
塑料制品/橡胶.聚合物弥散体和橡胶乳液(天然的和合成的).采用毛细管柱气相色谱分析法测定残余单基物和其他有机成分.第1部分:液体直接注射法

Plastics/rubber - Polymer dispersions and rubber latices (natural and synthetic) - Determination of residual monomers and other organic components by capillary-column gas chromatography - Direct liquid injection method

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标准号

BS ISO 13741-1:1998

发布

1998年

发布单位

英国标准学会

 

 

适用范围

1 This part of ISO 13741 specifies a method for the determination of residual monomers and other (saturated) organic components in aqueous polymer dispersions and latices as well as in related products. It makes use of capillary-column gas chromatography with direct injection of the liquid sample. 2 Residual monomers and saturated volatiles that have been successfully determined by this method include acrylic and methacrylic esters, acrylonitrile, butadiene, styrene, vinyl acetate, vinyl chloride as well as by-products such as acetaldehyde and ethylbenzene. Butadiene could be co-eluted with cis-2-butene. 3 Since the chromatograms obtained normally contain a series of peaks, it is only possible to determine the content of those volatiles for which response factors have been determined. For the identification of unknown peaks, auxiliary methods like mass spectroscopy or the use of a second GC column with a different polarity are advisable.

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