Components of flue gas were determined by two dimensional chromatograph free from switching valve, which consisted of four columns of Porapak S, 5A molecular sieve, chromosorb P and Porapak Q connected by series _ parallel.
英
美
- 將Porapak柱、ChromosorbP柱及5A分子篩柱串聯(lián)后再并聯(lián) ,構成一個(gè)無(wú)閥切換的二維色譜 ,用于測定煙道氣組成 ;