A capillary gas chromatographic method with an electron capture dector (ECD) for the detection of polychlorinated biphenyls (PCBs) in seawater was developed.
A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.
A study on the chromatographic behaviours of codeine, morphine, papaverine, narcotine, cannabidiol, tetrahydrocannbinol, cannbinol and diacetyl morphine on wide bore capillary column in presented.
Based on single column process of packed poromeric chromatographic column, the chromatographic analysis process of transformer oil with SP3430 gas chromatographic apparatus has been improved.