ISO 11438-7:1993
Ferronickel; determination of trace-element content by electrothermal atomic absorption spectrometric method; part 7: determination of silver content
- Standard No.
- ISO 11438-7:1993
- Release Date
- 1993
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 11438-7:1993
- Scope
- The principle of the method specified is dissolution of a test portion in nitric acid, measurement of the absorption of the resonance line energy from the spectrum of silver in the test solution at a wavelength of 328,1 nm by an atomic absorption spectrometer fitted with a graphite furnace electrothermal atomizer, calibration by the standard additions method described in ISO 11438-1. Applies to silver contents in the range of 1,0 g/t to 6,0 g/t in ferronickel.
ISO 11438-7:1993 history
- 1993 ISO 11438-7:1993 Ferronickel; determination of trace-element content by electrothermal atomic absorption spectrometric method; part 7: determination of silver content
