美国政府最新法规-测试非金属儿童产品的铅含量之标准作业程序

发布时间：2025-07-15

应采用SPEX冷冻研磨机研磨
(符合美国 CPSIA & HR4040 标准 ）
CPSIA 消费者产品安全改善法规 consumer product safety improvement act Sample may be cooled in a liquid nitrogen bath prior to milling/grinding to increase effectiveness.


* Total Lead in Ceramics, Glass and Crystal and other Siliceous Materials – Digestion
陶瓷，玻璃和水晶和其他硅质原料的总铅测定-酸解
*Total Lead in Plastics, Polymers and other Non-Siliceous Materials
塑料，聚合物和其他非硅质原料的总铅测定
应采用冷冻研磨机研磨
--先把试样切成小块然后采用冷冻研磨机研磨(Cut the test specimen into small pieces and cryogenically mill.)
 

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