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[交流]
Perkin Elmer氣相色譜柱
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| 請教各位高人,Perkin-Elmer的 thick-film (1 μm) Permaphase DMS (dimethylsilicone) and Permaphase CPMS-1701 (cyanopropylmethylsilicone) fused-silica capillary columns ,這兩種GC柱是否很常用?是否還有類似的其他的廠家的產(chǎn)品,型號是什么?謝謝! |
» 搶金幣啦!回帖就可以得到:
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+5/100
+1/84
+1/44
+1/35
+1/33
+1/31
+1/19
+1/15
+1/13
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常用的如下: 100 % dimethyl polysiloxane 95 % dimethyl/5 % diphenyl polysiloxane 95 % dimethyl/5 % diphenyl polysilarylene 6 % cyanopropylphenyl/94 % dimethyl polysiloxane 80 % dimethyl/20 % diphenyl polysiloxane 65 % dimethyl/35 % diphenyl polysiloxane 14 % cyanopropylphenyl/86 % dimethyl polysiloxane trifluoropropylmethyl polysiloxane 50 % dimethyl/50 % diphenyl polysiloxane 100 % methylphenyl polysiloxane 35 % dimethyl/65 % diphenyl polysiloxane 50 % cyanopropylmethyl/50 % phenylmethyl polysiloxane polyethylene glycol (PEG) PEG for amines and basic compounds PEG for acidic compounds 90 % biscyanopropyl/10 % cyanopropylphenyl polysiloxane 70 % biscyanopropyl/30 % cyanopropylphenyl polysiloxane biscyanopropyl polysiloxane permethylated b-cyclodextrin 1,2,3-tris(cyanoethoxy)propane proprietary phase phenyl polycarborane-siloxane proprietary phase |
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