天然气分析 生物甲烷 微气相色谱法测定萜烯含量

[中文适用范围]： 本文件规定了一种微型气相色谱法，用于在线或离线测定生物甲烷中五种萜烯的含量，即： — α-蒎烯， — β-蒎烯， — 对-异丙基苯， — 柠檬烯， — 3-蒈烯。该方法是专门为这五种化合物开发的。有关这些化合物的信息见附件 A。该方法适用于测定五种萜烯的单个量分数，从 1 µmol/mol 到 10 µmol/mol。稍加修改，它也可以用于 10 µmol/mol 以上的萜烯量分数。 [外文原描述]： This document specifies a micro gas chromatography method for the on-line or offline determination of the content of five terpenes in biomethane, namely: — alpha-pinene, — beta-pinene, — para-cymene, — limonene, — 3-carene. The method is specifically developed for these five compounds. Information about the compounds is given in Annex A . The method is applicable to the determination of individual amount fractions of the five terpenes from 1 µmol/mol up to and including 10 µmol/mol. With minor modifications it can also be used for terpene amount fractions above 10 µmol/mol.