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CHEMICAL FORMULA £ºNH4HF2 M.W.: 57.04
DESCRIPTION: white or colorless fransparent rhomb lamdllar crystal,relative density in 1.52,melting point in 125.6¡æ and boiling point in 240¡æ more easily air slaking,diluted slightly in cool water,decomposition and a atrong acidity in hot water,corrosive to glass ,also to skin ,dangerous!
PRODUCTION#£º CAS#£º1341-49-7 HS NO.£º28261100 MSDS£ºYF0405-06
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SPEC |
Grade A |
Grade B |
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ITEMS |
Sungo Standard |
JISK1407-78 |
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Appearance £¥ |
White salt-like crysta |
White salt-like crysta |
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Assay £¥ |
¡Ý99£¥ |
¡Ý97£¥ |
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SO4 £¥ |
¡Ü0.05 |
¡Ü0.1 |
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fluosilicate £¥ |
¡Ü0.02 |
¡Ü3 |
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Heavy metal £¥ |
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¡Ü0.002 |
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Residue on ignitionn £¥ |
¡Ü0.005 |
¡Ü0.2 |
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Loss on drying £¥ |
¡Ü0.5 |
¡Ü3 | |
