Ammonium iron(III) sulfate dodecahydrate, for analysis, ExpertQ®, ACS, ISO

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CAS: 7783-83-7

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x 25 kg :: Plastic container	HI0315025P	Check availability	Buy

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x 5 kg :: Plastic container	HI0315005P	Check stock	Buy
x 500 g :: Plastic bottle	HI03150500	Check stock	Buy
x 1 kg :: Plastic bottle	HI03151000	Check stock	Buy

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Characteristic
Volume : x 25 kg

- Synonyms: Iron(III) ammonium sulfate, Alum iron, Ferric ammonium alum, Iron alum
- NH4Fe(SO4)2·12H2O
- M = 482,19 g/mol
- CAS [7783-83-7]
- EINECS-No.: 233-382-4
- Solub. in water: (25 ºC): 1240 g/l
- Melting point: 39 - 41 ºC
- Tariff number: 2833 30 00 00
- Applications: analytical chemistry, laboratory reagent.

SPECIFICATIONS
assay (iodometric): 99,0 - 102,0 %
identity (IR-spectrum): passes test
insoluble in water: max. 0,005 %
insoluble in HCl : max. 0,01 %
chlorides (Cl): max. 5 ppm
nitrates (NO3): max. 0,01 %
calcium (Ca): max. 0,01 %
copper (Cu): max. 0,002 %
iron (II) (Fe (II)): max. 0,001 %
lead (Pb): max. 10 ppm
magnesium (Mg): max. 0,001 %
manganese (Mn): max. 0,005 %
potassium (K): max. 0,005 %
sodium (Na): max. 0,01 %
zinc (Zn): max. 0,003 % :