20 消散乳膏(vanishing cream)處方中,利用stearic acid 和下列何項鹼性物質反應後可製備得到外觀最雪白,但易產生顆粒感之成品?
(A) potassium hydroxide
(B) sodium hydroxide
(C) sodium borate
(D) triethanolamine
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統計: A(74), B(21), C(686), D(73), E(0) #415142
統計: A(74), B(21), C(686), D(73), E(0) #415142
詳解 (共 6 筆)
#1425506
22 下列何者與脂肪酸混合,可製得弱鹼性、具珍珠樣光澤之消散乳霜(Vanishing Cream)?
(A) Triethanolamine
(B) Potassium hydroxide
(C) Sodium carbonate
(D) Borax
(A) Triethanolamine
(B) Potassium hydroxide
(C) Sodium carbonate
(D) Borax
答案:A
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#2530019
stearic acid+sodium borate→顆粒感之成品
stearic acid+Triethanolamine →珍珠樣光澤
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0