Potassium borotartrate

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Description

White, water-soluble powder used in photography as a retarder for alkaline developers.

Synonyms and Related Terms

potassium tartratoborate; soluble cream of tartar; borated cream of tartar; potassium sodium borotartrate

Risks

  • Integra Chem: SDS

Physical and Chemical Properties

Soluble in water.

Composition KC4H4BO7

Resources and Citations

  • 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
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7778