Determination of Trivalent Chromium Ions in Chromium Plating Solutions by Ultraviolet-Visible Spectrophotometry

Abstract

The chemical literature lacks a specific and direct analytical method for adequately monitoring trivalent chromium ions (Cr(III)) in chromium plating solutions during the plating process. In this report, a specific and direct method is presented providing acceptable analysis and monitoring of the trivalent chromium in this process. The optimum operating range of the trivalent chromium is 7.5 g/l maximum in the chromium plating solutions. The resulting precisions are in the range of 0.5 to 1.0 g/l, providing adequate monitoring of these solutions supported by four years of testing. (rrh)

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1989
Accession Number
ADA215688

Entities

People

  • Samuel Sopok

Organizations

  • United States Army Armament Research, Development and Engineering Center

Tags

Communities of Interest

  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acids
  • Air Force
  • Analytical Chemistry
  • Analytical Chemistry Techniques
  • Chemical Analysis
  • Chemistry
  • Chromic Acid
  • Chromium
  • Dilution
  • Engineering
  • Materials
  • Military Research
  • Monitoring
  • Precision
  • Spectrophotometry
  • Standards
  • Surface Finishing

Readers

  • Analytical Chemistry
  • Environmental Engineering.
  • Materials Science and Engineering.