E.4

what elements are required to test in the lead-free report?

[Are the rhinestones environmental, what elements should be tested?]

What elements are required to test of the lead free rhinestones when they through customs inspection?

It usually test the lead and cadmium only to judge if they are eco-friendly rhinestones. 

But some other inspections may required to test more elements,for example:Pb,Cd,Cr,Hg and Ni. Some inspections may need required more than 20 elements need to be test .

There are more than 20 elements can be tested in the eco-friendly Laboratory HK YAX LTD.

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