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?????????????????????????????????HP????J&W????????????????????????????5000?κ?1?????????????????????????????????????????????????????????????????????仯?????????????????????????????????й??????cation???????????????????????????ο???
5. ???N?|????^????????????M????????
?o?C????|????????M,??????????????????o??????!!
6. ???? ????????????????? ??????????????M????????
?????????Щ????????,????????M???????,??????????c, ???GC?????T????^????,????GC??????GC?x?????????, ?????????]???N????! ?????N?o?????,???????????????????M???????,???????????ЙC???????????????.
?????????J&W???(DB???????u???S??)???Y?????@?(????????W·???d??,???????λ???),?????N?o?????|??????????? B-wax, DB-1??DB-225,???N??r????,???????????,????N??????3mL??????,???????????1mL????,???????,???????_???,??????????|???????N??????????e???(???????????????K?????),????@?????е???? before Inj.????????, After Inj.?????????????,After rinse?????????????)
DB-1
Parameter Before Inj. After Inj. After Rinse
Ret. Factor 14.6 14.5 14.5
Ret. Index 1 1349.88 1350.02 1350.05
Ret. Index 2 1427.77 1428.16 1428.07
Theor. plates 1448 1474 1391
Bleed(pA) 12.8 11.2 21.5
DB-wax
Parameter Before Inj. After Inj. After Rinse
Ret. Factor 12.6 12.6 11.7
Ret. Index 1 1149.54 1149.73 1150.82
Ret. Index 2 1163.44 1163.71 1164.13
Theor. plates 1277 1261 1268
Bleed(pA) 50.5 97.8 97.6
Bleed2 42.2 41.0 39.6
DB-225
Parameter Before Inj. After Inj. After Rinse
Ret. Factor 11.5 11.4 11.2
Ret. Index 1 1622.30 1621.26 1620.97
Ret. Index 2 1711.51 1711.03 1710.77
Theor. plates 1101 1110 1160
Bleed(pA) 15.0 114.0 53.9
????Y???:
a. ?????????????:polarity, selectivity, retention time, efficiency, activity???K?o??????.
b.????????Bleeding????:100%??DMPS?o??,??PEG??50%??cyanopropyl phase?????^?m?^?????.
c.Non polar?????????????????????????K?o??, ???polar ?????(bonded,??cross-link)????, ??????????o??. ???????]????????????.
????????о??????A??,????????FID,???????????????????????....
????????f??????????FID??????,?????????z??????????????????????????_.....????ECD?t???????B??, ?ǖ|????????????!! |
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