Beale A M, Craigmill A L, Wetzlich S
Sacramento County Cooperative Extension, University of California 95827.
Arch Environ Contam Toxicol. 1991 Apr;20(3):423-6. doi: 10.1007/BF01064414.
A modification of the U.S. Food and Drug Administration (FDA) lead screening test of ceramic ware was made to screen large numbers of samples in a short time frame. Ceramic ware in use by Davis and Sacramento, California residents was tested. Lead was leached from ceramic ware with citric acid and identified by rhodizonic acid in this quick, qualitative test. Of 92 individual pieces of pottery tested, approximately 6.6% were positive for leachable lead. Approximately 67% of the positive samples were handmade in Mexico. This rapid test is sensitive to two (2) parts per million (ppm, microgram/g) leachable lead. Ceramic ware with detectable leachable lead levels may present a health risk to individuals who habitually use such items for food storage and/or consumption. Because only 20-30 minutes is needed to perform the test, immediate communication of results to the participant is possible.
对美国食品药品监督管理局（FDA）的陶瓷铅筛查测试进行了改进，以便在短时间内筛查大量样品。对加利福尼亚州戴维斯市和萨克拉门托市居民正在使用的陶瓷制品进行了测试。在这项快速定性测试中，用柠檬酸从陶瓷制品中浸出铅，并用玫瑰红酸进行鉴定。在测试的92件单件陶器中，约6.6%的可浸出铅呈阳性。约67%的阳性样品是在墨西哥手工制作的。这种快速测试对百万分之二（ppm，微克/克）的可浸出铅敏感。可浸出铅水平可检测的陶瓷制品可能会对习惯性将此类物品用于食物储存和/或食用的个人构成健康风险。由于进行该测试仅需20至30分钟，因此可以立即将结果告知参与者。
