化粧品中硫磺之間接原子吸光分析

CNU IR > Chna Nan Annual Bulletin > Vol.9 (1983) > Item 310902800/25944

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Title:	化粧品中硫磺之間接原子吸光分析 Indirect Determination of Sulfur in Cosmetics by Atomic Absorption Spectrophotometry
Authors:	蔡維鈞
Contributors:	應用化學科
Date:	1983
Issue Date:	2012-11-15 16:42:51 (UTC+8)
Abstract:	化粧品中硫磺定量之重量法、比濁法等操作煩雜，精密度亦差，本實驗乃就鋇原子吸光分析法加以檢討。檢品以濃硝酸及溴氧化溶解，配合的硫磺生成硫酸根離子後，鹽酸酸性(約0.05M )下，加熱，加入定量氯化鋇試液，沉澱之硫酸鋇熟成、濾別後，濾液中過剩量之鋇以原子吸光分析法測定，間接可對硫加以定量。試驗已知濃度試樣之回收率為99.2%，變異係數為0.85%。應用本間接法分析市售化粧霜、化粧水等的結果，並無可確認妨害成分，配合的硫磺可迅速精確地加以定量，乃一可行性之微量分析法。
Relation:	嘉南學報 9, 59-67
Appears in Collections:	[Chna Nan Annual Bulletin] Vol.9 (1983) [Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles

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