看板NTUCE
标 题分析化学的问题
发信站不良牛牧场 (Thu May 8 16:55:17 2003)
转信站Ptt!bbs.ee.ntu!news.ee.ntu!SimFarm
有几个考题我觉得有问题, 想请教大家
1 Regarding the term " theoretical plate ", which of the following statement
is incorrect?
(A) Theoretical plate does not exist.
(B) Theoretical plate is related to distillation effect.
(C) Theoretical plate is related to resolution.
(D) Theoretical plate height is related to resolution, too.
(E) Theoretical plate number is related to retention, too.
答案不知
2 Regarding HPLC detectors, which of the following statements is not
incorrect?
(A) Micro flow cell is utilized for every HPLC detector.
(B) Ultraviolet detector is the most common detector for HPLC.
(C) An evaporative light-scattering detector is useful for violatile
solutes.
(D) Refractive index detector is not useful for gradient elution.
(E) Florescence detectors are very sensitive but respond only to the
few analytes that fluorescence.
答案是 (A)或(C)
各位觉得答案应为何?
--
╭──── Origin:
<不良牛牧场> bbs.badcow.com.tw (210.200.247.200)─────╮
│ ↘ Welcome to SimFarm BBS -- From : [61.60.82.82] │
╰◣◣◢ ◢◢《不良牛免费拨接→电话:40586000→帐号:zoo→密码:zoo》 ◣◣◢ ─╯