head space

  • head space
  • 释义

    顶部空间;灌头顶隙;液(面)上(部)气体

纠错 数据更新时间:2026-04-17 22:34:39
1、

A method of head space solid phase microextraction ( HS-SPME) coupled with gas chromatography-mass spectrometry for the determination of tetramethyllead and tetraethyllead in water sample was developed. The conditions of SPME extraction and GC-MS determination were discussed.

建立了顶空固相微萃取(HS SPME)与气相色谱质谱(GC/MS)联用测定水样中四甲基铅和四乙基铅的方法,探讨了SPME萃取烷基铅的实验条件,并对GC/MS条件进行了优化。

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2、

Blood samples were analyzed for ethanol, aceta-dehyde and acetate by head space gas chroma-tography using a porapak S column.

本文用顶空气相色谱法,在Porapak S柱上测定人血中乙醇及其代谢物乙醛、乙酸。

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3、

Residual methanol oxytetracycline hydrochloride was determined by head space GC. The average recovery was 99.8 %.

采用顶空气相色谱法测定盐酸土霉素中的残留甲醇,平均回收率为99. 8%.

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4、

Residual methanol in oxytetracycline hydrochloride was determined by head space GC. The average recovery was 99.8 %.

采用顶空气相色谱法测定盐酸土霉素中的残留甲醇, 平均回收率为99.8%.

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5、

Gas chromatographic analysis technique for cutting head space gas and its application in hydrocarbon exploration

岩屑罐顶气气相色谱分析技术及其在油气勘探中的应用

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