Application of thin standard specimens of alloy composition for spectral analysis in modern optical emission spectrometers

Protsenko O.M.
UDC
535.853.22
DOI
10.18577/2307-6046-2015-0-1-9-9
Article PDF (Russian) (390.93 KB)
How to cite
Protsenko O.M. Application of thin standard specimens of alloy composition for spectral analysis in modern optical emission spectrometers // Proceedings of VIAM. 2015. No. 1. DOI: 10.18577/2307-6046-2015-0-1-9-9. URL: https://test.viam.ru/en/journal/2015/1/9
Abstract

The certified reference specimens (CRMs) in the form of rods of 6–15 cm diameter manufactured in 1940–1970 do not fit for modern spectrometers. Standard specimens of 17–40 mm are needed. At present VIAM manufactures CRMs with diameter of 30–40 mm. CRMs in the form of rods, turned out earlier are used with special adapters. A pos-sibility of application of OT4 titanium alloy rod-CRMs for graduation of Q8Magellan spectrometer was studied. Then analysis of 30–40 mm diameter specimens is performed according to graduation. Calibration graphs were plotted. It was shown, that the root-mean-square errors of measurement of rod-CRMs with diameter of 11 mm and CRMs with diameter of 40 mm does not differ practically. The measurement error is in ac-cordance with requirements of standard documentation.

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