PDF(Pubmed)
Abstract：
Heavy metal concentrations of Pb, Cd, Cr, and Cu leaching from single-use plastic cups were identified, and the risks associated with them were assessed in real time (up to 10 min). All samples (tea, carbonated beverage, and lassi) were placed in disposable plastic cups and held for less than 1 min, 5 min, and 10 min, respectively. Prior to digestion, the solids were ashed in a muffle furnace at 550 °C for 30 min. The filtrates were then tested for heavy metals. The samples were all confirmed to be contaminated with heavy metals. Heavy metals leached from the plastic cups in the following order: Cu > Pb > Cr > Cd. The samples\' HI values were less than one, hence there was no evidence of a non-carcinogenic risk. The ILCR values for this heavy metal contamination in samples exceed 10-3, indicating a high carcinogenic risk. Lassi poses the highest possible carcinogenic risk. A rise in temperature and a drop in pH also resulted in heavy metal migration. Heavy metal leaching from plastic cups poses a serious health risk due to its toxicity. The proposed legislation should prohibit or restrict the serving of warm and hot beverages in plastic cups.
摘要：
重金属Pb的浓度，Cd,Cr,并确定了一次性塑料杯中的铜浸出，并实时（长达10分钟）评估与之相关的风险。所有样品（茶，碳酸饮料,和lassi)被放置在一次性塑料杯中，并保持不到1分钟，5分钟,10分钟,分别。在消化之前,将固体在马弗炉中在550°C下灰化30分钟。然后测试滤液的重金属。确认样品均被重金属污染。重金属按以下顺序从塑料杯中浸出:Cu>Pb>Cr>Cd。样品的HI值小于1,因此没有非致癌风险的证据.样品中这种重金属污染的ILCR值超过10-3，表明具有很高的致癌风险。Lassi具有最高的致癌风险。温度的升高和pH的下降也导致重金属迁移。从塑料杯中浸出的重金属由于其毒性而对健康构成严重风险。拟议的立法应禁止或限制塑料杯中的热饮料。
