ROSH Certification
Date:2011-05-18 16:35
Status:Be resolved
Question:admin
tection.
3, heavy metals - mercury
RoHS limit is: 1000PPM
Test Standard: US EPA3052
Method:
a, the cut pieces into the microwave sample digestion flask, add and nitric acid and hydrofluoric acid
b, digestion bottle into the microwave until completely dissolved by microwave digester reaction
c, the solution to the filtrate with deionized water, quantitatively. Then inductively coupled plasma atomic emission spectrometry detection
4, heavy metal - chromium
RoHS limit is: 1000PPM
Test Standard: US
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