Difference between revisions of "Sodium citrate"

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== Description ==
 
== Description ==
  
A white crystalline or granular material. Sodium citrate is used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=buffer buffering agent] in photographic solutions. It is also used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=chelating%20agent chelating agent] to remove soluble metals ions from solutions.
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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 ==

Latest revision as of 12:17, 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

FTIR

AaiNA CITRA.jpg

Chemical structure

Sodium citrate.jpg


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  • Marie Svoboda, Conservation Survey Index, unpublished, 1997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