Most of film-forming matter,benzene,toluene,ethyl benzene,(m,p) -xylene and o-xylene can be analysed simultaneously with HP-5 capillary gas chromatography FID determination of which the internal standard method is chlorobenzene was used for quantitative analysis.
采用HP-5石英毛细管柱分离,FID检测器,一氯代苯作为内标,考察了主要苯系物的线性,校正因子和回收率情况。
Methylcyclopentadiene was synthesized from cyclopentadiene,metallic sodium and methane chloride by a two-step method,which included synthesis of cyclopentadiene sodium by reaction of cyclopentadiene with metallic sodium and successive methylation of cyclopentadiene sodium with methane chloride.
研究了以环戊二烯、金属钠和一氯甲烷为原料合成甲基环戊二烯的过程,包括制备环戊二烯钠和环戊二烯钠甲基化两步反应。
The outlets of methane tetrachloride produced in the production facilities of chloromethane in China at present were proposed,such as conversion to diphenyl ketone,ethylene tetrachloride,cinnamic acid,trichloroacetyl chloride,methane chloride and chloroform.
提出了目前我国氯甲烷生产装置副产的四氯化碳的出路:转化成二苯甲酮、四氯乙烯、肉桂酸、三氯乙酰氯、一氯甲烷、氯仿。
