总铅和邻苯的测试点数问题

记得美国和欧盟都是只能从一个单一玩具上取样的。同一颜色只要样品质量小于10毫克，都不用做重金属可溶测试，如真无法分开每种颜色的涂层，可混测吧。

这个问题非常复杂。当年花了1个月的时间培训那些新兵~~
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美国是总铅和邻苯都要测试，可以从多个玩具上取样。

请问有法规文件证明你说的同一个颜色样品质量小于10毫克就不用做重金属可溶测试吗？有没有相关文件资料，可否上传来学习下呢，谢谢！

ASTM F963-11, EN71-3, ISO 8124-3 等都有，只是针对可溶性重金属（soluble），不是总含量（total）.

H.5 Test portions (7.1, 7.3.3.2, 7.3.3.3, 7.3.3.6)

For category III toys (Scraped off) it is not always possible to obtain 100 mg of toy material. If less than 10 mg of toy material can be obtained, it is not required to analyse. From such a small amount of toy material the exposure to certain elements is considered to be negligible. If 10 mg to 100 mg of toy material is available, than the test shall be performed as if it were 100 mg of material. The migration is calculated as though 100 mg of the test portion had been used. This compensates for the low exposure to certain elements by migration from such low amounts of toy material. (EN71-3)

谢谢