Determination of Titanium in Foods by Microwave Digestion ICP-AES

Abstract

Abstract: A sensitive and rapid method was established to determine titanium in foods by microwave digestion(MD)-inductively coupled plasma atomic emission spectrometric (ICP-AES). In the microwave digestion system, HNO3+H2SO4+H2O(3/2/3, V/V/V)was used as the composition of acids, and programming temperature controlling was employed. Method detection limit, average recovery and RSD were 0.1 mg/kg, 95.6%～104.9%, and1.4%～ 4.2% respectively under selected condition. The results showed that the method is simple, rapid, less environment contamination. It is of great suitable for determination of titanium in foods.

Key words: microwave digestion, ICP-AES, titanium, foods

LUO Hai-Ying, GUO Xin-Dong, YE Jia-Rong, DU Zhi-Feng, WU Yu-Luan, WANG Yong-Hua. Determination of Titanium in Foods by Microwave Digestion ICP-AES[J]. FOOD SCIENCE, 2008, 29(3): 409-411.

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Determination of Titanium in Foods by Microwave Digestion ICP-AES

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