Ammonium Iron (III) Sulfate Dodecahydrate GR 1kg
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 103776.1000
Stock: In Stock
Description
| Catalogue Number | 103776 |
| Replaces | FX0205; FX0205-1; FX0205-20; FX0205-3 |
| Synonyms | Alum iron, Ferric ammonium sulfate, Iron alum, Iron(III) ammonium sulfate |
Product Information
| CAS number | 7783-83-7 |
| EC number | 233-382-4 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | H₄NFeO₈S₂ * 12 H₂O |
| Chemical formula | (NH₄)Fe(SO₄)₂ * 12H₂O |
| Molar Mass | 482.19 g/mol |
| HS Code | 2833 30 00 |
Physicochemical Information
| Melting Point | 39 - 41 °C |
| pH value | 1.8 (100 g/l, H₂O, 20 °C) |
| Bulk density | 750 kg/m3 |
| Solubility | 1240 g/l |
Storage and Shipping Information
| Storage | Store below +15°C. |
Specifications
| Assay (iodometric) | 99.0 - 102.0 % |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.0005 % |
| Nitrate (NO₃) | ≤ 0.01 % |
| Cu (Copper) | ≤ 0.001 % |
| Fe II (Iron II) | ≤ 0.001 % |
| Ca (Calcium) | ≤ 0.01 % |
| K (Potassium) | ≤ 0.005 % |
| Mg (Magnesium) | ≤ 0.001 % |
| Mn (Manganese) | ≤ 0.005 % |
| Na (Sodium) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.0005 % |
| Zn (Zinc) | ≤ 0.001 % |
| Corresponds to ACS, ISO, Reag. Ph. Eur. |
