有關 HLB值之敘述,下列何者正確?

乳劑藥師國考題-1

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Medium
怡慧 邱
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(A) 其值越大代表親脂性越大
(B) HLB=4~6 適合作為 w/o乳劑之乳化劑
(C) HLB=25 適合作為潤濕劑
(D) HLB=18 適合作為抗發泡劑
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
兩種界面活性劑甲與乙之HLB值分別為6與12,將二者以甲比乙之重量比3:1的比例混合,則混合界面活性劑 之功能為下列何者?
(A) O/W乳化劑
(B) W/O乳化劑
(C) 濕潤劑
(D) 清潔劑
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關o/w型穩定乳劑之敘述,下列何者最適當?
(A) 外觀透明
(B) 屬單相系統
(C) 水為連續相
(D) 油滴呈橢圓形
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關 o/w 乳劑,下列敘述何者最適當?
(A) 油相為連續相
(B) 水相為內相
(C) 均為透明狀
(D) 須添加乳化劑
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關W/O乳劑之敘述,下列何者錯誤?
(A) 此油相為外相
(B) 此水相為分散相
(C) 此劑型易形成透明狀
(D) 此乳劑須添加界面活性劑
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者屬於 sorbitan esters?
(A) Brij
(B) Myrj
(C) Spans
(D) Tween
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Type B gelatin之等電點(isoelectric point)在pH多少?
(A) 2
(B) 5
(C) 8
(D) 11
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