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Potential lead exposures from lead crystal decanters.
B R Appel1, J K Kahlon, J Ferguson
1Division of Laboratories, California Department of Health Services, Berkeley 94704-9980.
American Journal of Public Health
|December 1, 1992
Summary
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.
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.
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