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  • [Analysis of hydrocarbon impurities in high purity isobutene by gas chromatography].

[Analysis of hydrocarbon impurities in high purity isobutene by gas chromatography].

Se pu = Chinese journal of chromatography (2005-02-17)
Jiwen Li, Yu'an Feng
ABSTRACT

A capillary column HP-AlO2O3/S PLOT(50 m x 0.32 mm i.d. x 8 microm) has been used for the analysis of trace hydrocarbon impurities in high purity isobutene. The results showed that these hydrocarbon impurities could be well separated and with the liquid-phase sample injection valve the disproportionation of sample composition could be avoided. The results also show high accuracy and precision.

MATERIALS
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Sigma-Aldrich
2-Methylpropene, 99%