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【求助】USP33中維生素E所用的填充柱
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| 在USP33中,關(guān)于維生素E的檢測,有描述了柱子的類型,但是我們按照要求買了一根柱子,卻沒有出峰,不知哪位同仁有做過,能否推薦一下柱子?包括型號和廠家,先在此道謝了! |
» 搶金幣啦!回帖就可以得到:
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木蟲之王 (文壇精英)
| the instrument is equipped with a flame-ionization detector and contains a 4-mm × 2-m borosilicate glass column packed with 2% to 5% liquid phase G2 on 80- to 100-mesh support S1AB utilizing either a glass-lined sample introduction system or on-column injection. |
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Not official USP-NF text GC PHASE Dimethylpolysiloxane gum G2 BRAND NAME MANUFACTURER CBP-1 Shimadzu Scientific Inc. HP-1 Agilent OV-1 Supelco, Inc. Silicone OV-1 Alltech, Varian-Chrompack. Supelco Silicone SE-30 Alltech,Varian-Chrompack Zebron ZB-1 Phenomenex Not official USP-NF text SUPPORT The siliceous earth as described for S1A is both acid- and base-washed. S1AB BRAND NAME MANUFACTURER Diatoport S Hewlett-Packard Co. Gas Chrom Q Alltech Associates SUPELCOPORT BW Supelco Inc. |
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