AS/NZS 1050.21:1994 (R2016)
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Methods for the analysis of iron and steel – Determination of cobalt content (spectrophotometric method)
| Published By | Publication Date | Number of Pages |
| AS | 1994-08-15 | 13 |
Specifies a spectrophotometric method for the determination of cobalt content up to 12% in all grades of iron and steel containing less than 10.0% copper. The sample is dissolved in acid and nitroso-R-salt added. This forms a red-brown chromophore which is measured spectrophotometrically at 580 nm.
Scope
This Standard specifies a spectrophotometric method for the determination of cobalt in iron and steel. The method has given satisfactory results on a wide variety of steels containing up to 12% cobalt. However, copper interferes appreciably and the method is limited to a maximum of 10% copper.
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