. dai xie zu xue fang fa yu ying yong. botany. å¾3-1 ESI离å-å示æå¾[2] ESIå¯ä»¥çæå¤çµè·ç¦»å-ï¼è¿ä½¿å¾å®è½å¤åæä¸äºçç©å¤§åå-ï¼å¦èç½è´¨ï¼ï¼æ-¤å¤ï¼ å®è¿éåæµå®åæææ§ååç©ã 2.大æ°ååå-¦çµç¦»(atmospheric pressure chemical ionization, APCI)æ¥å£ APCIæ¯å°åå-¦çµç¦»ï¼CI)çåç延伸å°å¤§æ°åä¸è¿è¡ççµç¦»ææ¯ï¼åä¼ ç»çä½å æ¥å£ç¸æ¯ï¼è¿ä¸æ¡ä»¶ä¸CIçæçæ´é«ãå¾3-2为ä¸ç§APCIç示æå¾ã æ°å¸æ¡æ¿ å ç¶æ¾çµé I 液ç¸æµåºç©. å¾3-2 APCI示æå¾[2] 溶液ä¸-çæ ·åæµåºæ¯ç»ç®¡ååæ ·ç±æ°®æ°æµé¾åå°å ç-管ä¸-æ¥åï¼å¨å ç-管端çå° ç«¯ï¼æ¾çµçµæ使ä¸-æ§åå-以å溶ååå-çµç¦»ï¼èå大éç离å-ä¸æ ·åçæ°æåå-åçæ° ç¸ç¦»å--åå-ååºï¼ä»è导è´æ ·åçåå-¦çµç¦»ï¼å
. dai xie zu xue fang fa yu ying yong. botany. å¾3-1 ESI离å-å示æå¾[2] ESIå¯ä»¥çæå¤çµè·ç¦»å-ï¼è¿ä½¿å¾å®è½å¤åæä¸äºçç©å¤§åå-ï¼å¦èç½è´¨ï¼ï¼æ-¤å¤ï¼ å®è¿éåæµå®åæææ§ååç©ã 2.大æ°ååå-¦çµç¦»(atmospheric pressure chemical ionization, APCI)æ¥å£ APCIæ¯å°åå-¦çµç¦»ï¼CI)çåç延伸å°å¤§æ°åä¸è¿è¡ççµç¦»ææ¯ï¼åä¼ ç»çä½å æ¥å£ç¸æ¯ï¼è¿ä¸æ¡ä»¶ä¸CIçæçæ´é«ãå¾3-2为ä¸ç§APCIç示æå¾ã æ°å¸æ¡æ¿ å ç¶æ¾çµé I 液ç¸æµåºç©. å¾3-2 APCI示æå¾[2] 溶液ä¸-çæ ·åæµåºæ¯ç»ç®¡ååæ ·ç±æ°®æ°æµé¾åå°å ç-管ä¸-æ¥åï¼å¨å ç-管端çå° ç«¯ï¼æ¾çµçµæ使ä¸-æ§åå-以å溶ååå-çµç¦»ï¼èå大éç离å-ä¸æ ·åçæ°æåå-åçæ° ç¸ç¦»å--åå-ååºï¼ä»è导è´æ ·åçåå-¦çµç¦»ï¼å¹¶è¿äººè´¨è°±ä»ªã APCI主è¦äº§çåçµè·ç¦»å-ï¼åªååºåçµè·å³°ï¼éåæµå®åæéææ§åå¼±ææ§å°å å-ååç©ãå¦å¤ï¼å®éåºé«æµéç梯度æ´è±ä»¥åé«/ä½å«é水溶液åæ¢çæµå¨ç¸ãéè¿ è°è离å-æºçµåï¼å¯ä»¥å¾å°ä¸åæ-è£è§å¾ç质谱å¾ãAPCIç主è¦ç¼ºé·æ¯ä¼äº§ç大éç 溶å离å-ï¼å®ä»¬ä¸æ ·å离å-ä¸èµ·è¿äººè´¨è°±ä»ªï¼å®¹æé æè¾é«çåå-¦åªå£°ã 以ä¸æ¦è¿°äºç®åæ常è§ç两ç§LC-MSçAPIæ¥å£ãä¸GC-MSç¸æ¯ï¼LC-MSçæ¥ å£ææ¯æ®éæ§è¾å·®ï¼å æ-¤ï¼å¸¸è§çåååLC-MS仪å¨å¤§é½å¸¦æå¤ä¸ªå¯ä»¥äºç¸åæ¢çæ¥ -51 -. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of thes
Size: 2344px × 1066px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcollectionbiodiversity, bookcontributorli, booksubjectbotany
