期刊
PLASMA PROCESSES AND POLYMERS
卷 7, 期 6, 页码 494-503出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ppap.200900142
关键词
chemical derivatisation; ESCA/XPS; inter-laboratory comparison; photoelectron spectroscopy (PES); poly(propylene) (PP)
资金
- BAM
- IAP
- INP
A first inter-laboratory comparison was conducted to demonstrate and document the capability of interested laboratories to measure the fraction of C-OH species on a plasma oxidised poly(propylene) sample by using a chemical derivatisation XPS approach. This report presents the results from that inter-laboratory comparison and includes the data received for the measured values and their associated standard deviations of laboratory means, at a 95% confidence level. The measurements were guided by a protocol developed within the group before and summarised shortly in the paper. Standard deviations that may characterise the state-of-the-art for the nominally simple and rather often practised case of TFAA chemical derivatisation XPS of C-OH species on a plasma oxidised polyolefin surface are calculated following ISO 5725-2:1994. The main conclusion is that the associated degree of equivalence reached by the participating laboratories in this comparison is still low. Further research to improve chemical derivatisation XPS protocols is mandatory.
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