White rust
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Description
A natural white tarnish on Zinc coated pieces. White rust, or zinc bloom, is composed of basic Zinc carbonate, zinc hydroxide, and Zinc oxide. Zinc bloom forms on metallic zinc in moist air.
Synonyms and Related Terms
zinc bloom; wet storage stain; Weißrost (Deut.); ferrugem branca (Port.)
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- ASTM, "Standard Terminology Relating to Paint, Varnish, Lacquer and Related Products", Annual Book of ASTM Standards, Section 6, Paints, Related Coatings and Aromatics, ASTM, D16, 7-Jan, Jul-96