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Lead leaches from crystal decanters into beverages, posing a health hazard. Lower pH levels increase lead leaching, with concentrations up to 1800 micrograms/L measured.

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Area of Science:

  • Food Science
  • Toxicology
  • Materials Science

Background:

  • Lead crystal glassware is a traditional material for beverage decanters.
  • Concerns exist regarding the potential for lead to leach from crystal into stored beverages.

Purpose of the Study:

  • To quantify lead leaching from various lead crystal decanters into different beverage simulants.
  • To assess the influence of storage duration and pH on lead migration.

Main Methods:

  • Lead concentrations were measured in 4% acetic acid, white port, and a synthetic alcoholic beverage.
  • Samples were stored in decanters from 14 manufacturers for 1, 2, and 10 days at room temperature.

Main Results:

  • Lead concentrations ranged from 100 to 1800 micrograms/L across different decanters and storage conditions.
  • Lower pH values of the leaching medium correlated with significantly higher lead concentrations.

Conclusions:

  • Consumption of alcoholic beverages stored in lead crystal decanters presents a potential health risk due to lead leaching.
  • pH is a critical factor influencing the extent of lead migration from crystal into beverages.