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0607

Authored by Yiling Cheng

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University

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0607
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8 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下列何者可提高HPLC之管柱效率?(112-1)

(A) 增加移動相流速

(B) 增加固定相膜厚

(C) 提高分析的溫度

(D) 增加固定相粒徑

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以C18管柱層析分析檢品,水(A)及甲醇(B)混合液為移動相,下列何種體積比例(A:B),其檢品之滯留時間最長?

(A)2:1

(B)1:1

(C)1:2

(D)1:3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

採用C18管柱分析betamethasone 時,下列移動相何者可使分析物的滯留時間最短?(110-1)

(A) methanol-water(30:70)

(B) methanol-water(20:80)

(C) acetonitrile-water(30:70)

(D) acetonitrile-water(70:30)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以HPLC分析中性待測物,下列動相之條件何者對其滯留時間影響最小?(108-2)

(A) 流速

(B) pH值

(C) 黏稠度

(D) 組成

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

高效能液相層析儀所使用的泵(pump),其功能與下列何者有關?(108-2)

(A) 檢測波長

(B) 滯留時間

(C) 層析溫度

(D) 檢品注入量

6.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

看到這個數據計算結果,我覺得哪裡有問題?
(請簡單寫下覺得有疑慮的地方)
(如果真的想不出來,就寫下太難了)

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7.

OPEN ENDED QUESTION

45 sec • 1 pt

我的學號是......

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OFF

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