65 Silicone OV-1 為氣相層析管柱，其固定相為：
(A) Hydrocarbon
(B) Polyethylene glycol
(C) Methylsilicone
(D) 50 % methyl, 50 % phenylsilicone

答案：登入後查看
統計： A(48), B(38), C(208), D(106), E(0) #414867

ymraKJ

B1 · 2017/12/11

#2526144

氣相層析管柱：

Squalene	Hydrocarbon
Silicone OV-1	Methylsilicone
Silicone OV-17	50% methyl, 50% phenylsilicone
Silicone OV-225	50% methyl, 25% cyanopropyl, 25%phenylsilicone
Carbowax	Polyethylene glycol

18jjj23

B2 · 2018/01/02

#2554549

記：固定相極性大小

Squalane （hydrocarbon) 極性最小

Silicone OV-1 < OV-17 < OV-225 數字愈大極性愈大

Silicone OV-1：Methylsilicone

Silicone OV-17：50% methyl, 50% phenylsilicone

Silicone OV-225：50% methyl, 25% cyanopropyl, 25%phenyl

Carbowax (polyethlene glycol, PEG) 極性最大