ygs67 发表于 2017-12-22 22:05:59

ASTM D7823-16

本帖最后由 ygs67 于 2017-12-22 22:07 编辑

ASTM D7823-16 Standard Test Method for Determination of Low Level, Regulated Phthalates in Poly (Vinyl Chloride) Plastics by Thermal Desorption. Gas Chromatography/Mass Spectrometry

admin 发表于 2017-12-27 16:27:36

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