Turkish Journal of Chemistry
Abstract
Due to the various promising properties of magnesium as a structural material and certain other applications such as a reducing agent for refractory metals, magnesium metal has great commercial importance in many technical industries but the presence of oxygen and nitrogen impurities adversely affects its physico-chemical and mechanical properties. Therefore, the exact measurement of oxygen and nitrogen impurities is essential. The accuracy of analytical values of micro amounts of nitrogen and oxygen (\mu g.g^{-1} level) in magnesium metal has been measured indirectly. The conditions for the vacuum distillation (VD) method were optimized. Analysis of residue for magnesium content was studied by inductively coupled plasma optical-emission spectroscopy (ICP-OES). The VD method is capable of measuring oxygen and nitrogen impurities in the microgram range. The reliability and sensitivity of the method is limited only when the specimen contains > 2 impurities. Results obtained by the VD and ICP techniques were compared with those obtained by other techniques. The data was statistically analysed. Student's t-test and variance ratio test methods (F-test) were performed for the significance of results by utilizing the analysis of variance (ANOVA).
DOI
-
Keywords
Gaseous impurities, Magnesium metal, Vacuum distillation, ICP, Oxygen and Nitrogen
First Page
681
Last Page
690
Recommended Citation
AKHTAR, JAVED; DURRANI, S. K.; CHUGHTAI, N. A.; MUNIR, M.; and MOHAMMAD, BASHIR (2002) "Determination of Oxygen and Nitrogen Impurities in Magnesium Metal by Vacuum Distillation and ICP-OES Techniques," Turkish Journal of Chemistry: Vol. 26: No. 5, Article 6. Available at: https://journals.tubitak.gov.tr/chem/vol26/iss5/6
