The paper described the theory of static headspace gas chromatography, including multiple phase equilibration method, various gas-liquid phase ratio method and standard adding method.

系统讨论了静态顶空气相色谱的原理，包括多次相平衡法、改变相比法和标准加入定量法。

youdao

The conditions of headspace has been tested and optimized, and the method for determination of formaldehyde in water by automatic static-headspace capillary gas chromatography is built.

对顶空条件和色谱条件进行了研究和优化，建立了污水中甲醛的自动静态顶空-毛细管气相色谱的检测方法。

youdao