RI 6308 Determination of Cobalt and Nickel in Tungsten by a Combined Ion-Exchange X-Ray Spectrographic Method

The National Institute for Occupational Safety and Health (NIOSH)
E. F. Spano T. E. Green W. J. Campbell
Organization:
The National Institute for Occupational Safety and Health (NIOSH)
Pages:
26
File Size:
592 KB
Publication Date:
Jan 1, 1963

Abstract

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A combined ion - exchange X- ray spectrographic method was developed and evaluated for determining trace amounts of cobalt and nickel in high - purity tungsten and tungsten trioxide . The sensitivity for both cobalt and nickel is in the range from 0.2 to 0.5 μg ( 0.04 to 0.1 ppm , based on 5 gram samples ) . Accuracy at the 5 to 20 μg level is ±10 percent of the amount present . Approximately 16 hours elapsed time is required for analysis
Citation

APA: E. F. Spano T. E. Green W. J. Campbell  (1963)  RI 6308 Determination of Cobalt and Nickel in Tungsten by a Combined Ion-Exchange X-Ray Spectrographic Method

MLA: E. F. Spano T. E. Green W. J. Campbell RI 6308 Determination of Cobalt and Nickel in Tungsten by a Combined Ion-Exchange X-Ray Spectrographic Method. The National Institute for Occupational Safety and Health (NIOSH), 1963.

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