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| 银餐具中银迁移量的影响因素研究 |
| Research on the influence factors of silver migration in silver tableware |
| Received:January 22, 2021 |
| DOI： |
| 中文关键词: 分析化学 食品安全 银餐具 银迁移量 电感耦合等离子体发射光谱法(ICP-AES) |
| 英文关键词: analytical chemistry food safety silver tableware silver migration ICP-AES |
| 基金项目:天津市市场监管委科技计划项目(2020-W18) |
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| 中文摘要: |
| 根据银餐具的预期使用方式，选取不同食品模拟物及实验条件，用电感耦合等离子体发射光谱法(ICP-AES)对银内胆水杯中银迁移量进行测试。测试结果表明，银迁移量主要受浸泡时间、温度和酸度影响。在长时间浸泡、较高温度、酸性或茶水实验条件下，银内胆水杯中均可迁移出较多银离子，超过饮用水国家标准中对银离子限量(0.05 mg/L)的规定，在餐具安全评价中应予重视。 |
| 英文摘要: |
| Different food simulants and experimental conditions were selected to test the silver migration in the silver tank water cup by inductively coupled plasma atomic emission spectrometry (ICP-AES) according to the expected use of silver tableware. The results showed that the amount of silver migration was mainly affected by soaking time, temperature and acidity, respectively. However, under the conditions of long-time immersion, higher temperature, acidic or tea experimental conditions, more silver ions could be migrated from the silver tank water cup, which were beyond the limit of silver ions (0.05 mg/L) in drinking water specified in the national standard. Attention should be paid to the safety of silver tableware. |
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