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Kandungan kemurnian (ppm) |
|
Elemen |
Nilai jaminan (maks) |
Cu |
1 |
Mg |
0.5 |
Pb |
0.5 |
Zn |
0.5 |
Fe |
0.5 |
Ag |
1 |
Al |
0.5 |
Au |
0.2 |
Sn |
0.5 |
Cd |
0.2 |
Ni |
0.2 |
Cr |
0.5 |
As |
0.5 |
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