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Persona de contacto Grace
Yantai, Shandong
Item | Index(USP*2) |
Content  ZnO                                       % | *9—**0.5 |
Alkalinity | Meet the requirements |
Carbonate andcolor of solution | Meet the requirements |
Loss on ignition                                     ≤% | 1.0 |
Iron and other heavy metals                          ≤% | Meet the requirements |
Lead | Meet the requirements |
Arsenic                                           ≤ppm | 6 |