Difference between revisions of "Sodium citrate"
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== Description == | == Description == | ||
| − | A white crystalline or granular material. Sodium citrate is used as a [ | + | A white crystalline or granular material. Sodium citrate is used as a [[buffer|buffering agent]] in photographic solutions. It is also used as a [[chelating%20agent|chelating agent]] to remove soluble metals ions from solutions. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:17, 10 May 2016
Description
A white crystalline or granular material. Sodium citrate is used as a buffering agent in photographic solutions. It is also used as a Chelating agent to remove soluble metals ions from solutions.
Synonyms and Related Terms
trisodium citrate; citrosodine; Citnatrin; Urisal
Other Properties
Soluble in water forming a solution with a pH of about 8. Insoluble in ethanol.
| Composition | Na3C6H5O7 - 2H2O |
|---|---|
| CAS | 68-04-2 |
| Molecular Weight | mol. wt. = 258.1 |
Hazards and Safety
Combustible. Contact may cause irritation.
LINK: International Chemical Safety Card
Sources Checked for Data in Record
- Marie Svoboda, Conservation Survey Index, unpublished, 1997
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 455
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 8746
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997