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目的:对砂锅浸出液中的多种元素进行测定,以期了解各元素的溶出状况。方法:采用电感耦合等离子体质谱法对砂锅浸出液中的十三种元素同时测定。结果:浸出液中铅、镉、银、硒、砷、镍等元素的浸出量很低,而锌、铜、铬等元素有一定量的浸出,镁、铝、锰、铁等元素则有较大的浸出量;砂锅在酸性条件下,部分元素会持续溶出,溶出量不会随着浸出次数而明显减少;相对于乙酸基体而言,砂锅的水浸出液中元素含量较低。结论:在酸性条件下,砂锅中的部分金属元素会有较高的溶出,而且具有持续溶出的特性,可能污染食物对人体造成伤害;上述金属元素在水中的溶出相对较少,一般不会对健康造成影响。
Objective: To determine the dissolution of various elements in casserole leaching solution. Methods: Inductively coupled plasma mass spectrometry (LC-MS / MS) was used to determine thirteen elements in casserole leaching solution simultaneously. Results: The amount of lead, cadmium, silver, selenium, arsenic, nickel and other elements in the leaching solution leached very low while the elements such as zinc, copper and chromium had a certain amount of leaching. The elements such as magnesium, aluminum, Leaching amount; casserole in acidic conditions, some of the elements will continue to dissolve out, the amount of leaching will not be significantly reduced with the number of leaching; relative to the acetate matrix, casserole water leaching solution element content is low. CONCLUSIONS: Under acidic conditions, part of the metal elements in the casserole will elute more and have the characteristics of continuous dissolution, which may cause harm to human body due to contamination of food. The metal elements elute relatively little in water and generally do not Health effects.