ROSH Certification
Date:2011-05-18 16:35
Status:Be resolved
Question:admin
nductively coupled plasma emission spectrometer detection.
2, heavy metals - lead
RoHS limit is: 1000PPM
Test Standard: US EPA3050B
Method:
a, will be joined HN03 heated sample into the beaker
b, cool at room temperature, add H202 and then heated until the reaction is complete
c, repeat steps b
d, cooled at room temperature, then add HCI and heated
e, the cooling fluid to be deionized water, filtered and quantitatively, then the original plasma inductively coupled plasma emission spectrometer de
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