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Web:http://http://www.m.cqdongrui.com.cn
E-mail:cpcc@pigeonchem.com
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品質(zhì)標(biāo)準(zhǔn)
Quality standard
|
項(xiàng)目 Item |
規(guī)格 Specification |
|
含量（以Ca計(jì)） Content ( as Ca) % |
34-40 |
|
鉛 Pb% |
≤0.0002 |
|
砷 As% |
≤0.0003 |
|
重金屬 Heavy Metals(as Pb) % |
≤0.0015 |
|
灼燒失重 Loss on drying (at 800℃) % |
≤10 |
|
氟 Fluoride% |
≤0.0075 |
|
外觀 Appearance |
白色無定形粉末 White amorphous power White power |