Chromium Isotopes Detection in their Ores with Minimal Errors
Journal Title: Annals of Advances in Chemistry - Year 2018, Vol 2, Issue 1
Abstract
The industrial production and use of chromium have grown considerably during the past five decades. Abundances of the chromium isotopes in terrestrial samples are identical to 0.01%. Among the dominant species of chromium, the trivalent form widely occurs in nature in chromite ores which is extremely immobilized especially in water bodies. Samples were mixtures of separated chromium isotopes and the calibration was made with the same species as those used in the measurements. The method had simplified the conversion of the ores to chromyl fluoride since the element could be readily separated as lead chromate from the leaching of chromite-sodium peroxide fusions. Isotope assay of chromyl fluoride under certain conditions was measured and the measurements of chromium isotopic anomalies ratios and isotope abundance of the chromite ores have been assessed. These provided sufficient quantitative mass spectrometric data, which were analyzed to calculate the abundance and the mean atomic mass of the questioned isotopes. Based on the high mass spectroscopy stability and the correction factors, the results were of good precision (incl. negligible systematic errors normally associated to inter-laboratory discrepancies) and the Cr isotopes availability (52Cr > 53Cr > 50Cr > 54Cr) was in conjunction with other classical tools such as oxygen isotopes. This paper is important for paleoecological, environmental, archeological, forensic, and nuclear researchers.
Authors and Affiliations
L Aljerf, N AlMasri
Keywords
Related Articles
- EP ID EP538172
- DOI 10.29328/journal.aac.1001013
- Views 80
- Downloads 0
A Gateway to Metal Resistance: Bacterial Response to Heavy Metal Toxicity in the Biological Environment
Like many tropical countries, Sudan has ample biomass resources that can be efficiently exploited in a manner that is both profitable and sustainable. Fuel-wood farming offers cost-effective and environmentally friendly...
Chromium Isotopes Detection in their Ores with Minimal Errors
The industrial production and use of chromium have grown considerably during the past five decades. Abundances of the chromium isotopes in terrestrial samples are identical to 0.01%. Among the dominant species of chromiu...
How Bruguiera gymnorhizza seedlings respond to climate change induced salinity rise?
A study was undertaken during August 2017 to evaluate the effect of salinity on chlorophyll a, chlorophyll b, total chlorophyll, and carotenoid and proline contents of hydroponically grown seedlings of Bruguiera gymnorhi...
Retrosynthesis analysis; a way to design a retrosynthesis map for Pyridine and pyrimidine ring
Pyridine and pyrimidines are amongst the most important, well known heteroaromatic rings, owning to their bioactive importance. Herein, an idea about how to design the synthetic pathway for these rings using retrosynthes...
The impact of geographical origin on specific properties of pine honey
Pine honey represents the major type of honey produced in Greece. In that sense, the aim of the present study was to investigate if specific physicochemical and bioactive properties could serve as markers of its geograph...