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氟化銨 AR250g

氟化銨 AR250g

氟化銨 AR250g
Ammonium Fluoride
CAS NO:12125-01-8

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Catalog No.XLAR12125-01-8.0250

CAS No.12125-01-8

Formula:NH4F

Capacity:250g

Specification
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Assay(NH4F)……………………………………………………………………… ≥96.0%
Clearness index test ………………………………………………………….Pass test
Residue on ignition(as SO4)……………………………………………….. ≤0.02%
Free acid(as NH4HF2)………………………………………………………….. ≤0.5%
Free alkali …………………………………………………………………………….Pass test
Chloride(Cl)………………………………………………………………………. ≤0.005%
Sulfate(SO4)……………………………………………………………………….. ≤0.01%
Fluosilicate(SiF6)………………………………………………………………….. ≤0.30%
Iron(Fe)……………………………………………………………………………… ≤0.002%
Heavy metal(as Pb)……………………………………………………………. ≤0.001%
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