Difference between revisions of "Ferrous ammonium sulfate"
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== Description == | == Description == | ||
| − | Pale green-blue crystals that slowly oxidize and effloresce in the presence of light and air. Known as Mohr's salt, ferrous ammonium sulfate is used as a primary standard in quantitative analysis. It is also used in photographic solutions and in [ | + | Pale green-blue crystals that slowly oxidize and effloresce in the presence of light and air. Known as Mohr's salt, ferrous ammonium sulfate is used as a primary standard in quantitative analysis. It is also used in photographic solutions and in [[dosimeter]] badges. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 7: | Line 7: | ||
Mohr's salt; ammonium ferrous sulfate; iron ammonium sulfate; ferrous ammonium sulphate (Br.); ammonium iron (II) sulfate | Mohr's salt; ammonium ferrous sulfate; iron ammonium sulfate; ferrous ammonium sulphate (Br.); ammonium iron (II) sulfate | ||
| − | == | + | == Risks == |
| + | |||
| + | * Contact may cause irritation. | ||
| + | * May decompose in light. | ||
| + | * Fisher Scientific: [https://www.fishersci.com/store/msds?partNumber=S25323A&productDescription=FERROUS+AMMONIUM+SULFATE+500G&vendorId=VN00115888&countryCode=US&language=en SDS] | ||
| + | ==Physical and Chemical Properties== | ||
Soluble in water. Insoluble in ethanol. Deliquesces in air. | Soluble in water. Insoluble in ethanol. Deliquesces in air. | ||
| Line 20: | Line 25: | ||
|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 100-110 (d) | + | | 100-110 C (d) |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.86 | + | | 1.86 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
| mol. wt. = 392.13 | | mol. wt. = 392.13 | ||
|} | |} | ||
| − | + | ||
| − | == | + | ==Resources and Citations== |
| − | |||
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| − | == | ||
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Latest revision as of 09:14, 2 August 2022
Description
Pale green-blue crystals that slowly oxidize and effloresce in the presence of light and air. Known as Mohr's salt, ferrous ammonium sulfate is used as a primary standard in quantitative analysis. It is also used in photographic solutions and in Dosimeter badges.
Synonyms and Related Terms
Mohr's salt; ammonium ferrous sulfate; iron ammonium sulfate; ferrous ammonium sulphate (Br.); ammonium iron (II) sulfate
Risks
- Contact may cause irritation.
- May decompose in light.
- Fisher Scientific: SDS
Physical and Chemical Properties
Soluble in water. Insoluble in ethanol. Deliquesces in air.
| Composition | FeSO4(NH4)2SO4.6H2O |
|---|---|
| CAS | 10045-89-3 |
| Melting Point | 100-110 C (d) |
| Density | 1.86 g/ml |
| Molecular Weight | mol. wt. = 392.13 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985