0523

0523

University

8 Qs

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Assessment

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University

Practice Problem

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Created by

Yiling Cheng

Used 4+ times

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 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)提高分析溫度

(D)增加固定相粒徑

2.

MULTIPLE CHOICE QUESTION

30 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

30 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

30 sec • 1 pt

依中華藥典規定,化學藥品之「細粉」係指所有粉粒均應通過第幾號標準試驗篩?(109-1)

(A)20

(B)40

(C)80

(D)120

5.

MULTIPLE CHOICE QUESTION

30 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

6.

MULTIPLE CHOICE QUESTION

30 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

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

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