AES and XRF Based Comparative Evaluation of Metallic Constituents at Trace and Minor Levels in Contaminated Neoprene Gauntlets and Cellulosic Materials

Abstract

Conventional characterization of plutonium contaminated neoprene gauntlets and cellulosic materials are highly difficult not only due to the non-geometric and unconventional nature of the sample, but also the radio-toxicity associated with them. An analytical method based on direct current arc atomic emission spectrometric (D.C.Arc AES) technique was developed for direct determination of 22 metallic impurities in contaminated neoprene gauntlets and cellulose samples. The samples were incinerated to powder form and analyzed against seven point standardization using graphite standards. The interference free best performed emission lines of the analytes were chosen as the analytical lines for establishing the calibration curves required for their estimation. The linear dynamic range, sensitivity, detection limit, precession associated with these analytical lines were evaluated in the graphite matrix. Energy dispersive X-ray fluorescence spectrometry has also been employed for comparative evaluation of the analytical performance of the developed AES based method as well as analysis of the actual samples. D.C.Arc AES based method was found to have 20% precession, while that for EDXRF was 10%. However, elements with lower Z values and lower concentration can only be determined by AES.

Utilization of ionic liquids for preferential separation of thorium during the determination of trace metallic constituents in thorium matrix using ICP-OES

“…In our previous paper, tri- n -butyl phophate (TBP) in combination with ionic liquid 1-propylpyridinium bis(trifluoromethylsulfonyl)imide (C 3 PyNTf 2 ) was utilized for trace metal assay in uranium-based nuclear materials for a significant decrease in organic waste volume, and analysis time. 56 In view of that, for the first time, TBP-C 3 PyNTf 2 was employed for trace metal assay in thorium matrix using ICP-OES. An effort was also placed towards understanding the nature of the species during mass transfer and compared that with the conventional TBP- n -dodecane system.…”

Development of Methodologies for the Chemical Quality Control of Zircon, A Precursor for Zirconium Production

“…To cater the need of the chemical quality control of zircon mineral; simple, highly sensitive, precise and reliable analytical technique is required. Energy dispersive X‐ray fluorescence (EDXRF) spectroscopy is one of the simultaneously multi‐elemental analytical techniques enables to give estimate of a variety of analytes including metal and non‐metal in a quick scan without the destruction of the physical and chemical nature of the sample for major as well as some minor analytes [26–30] . However, trace level determination, low Z analytes determination are some of the limitations for EDXRF.…”

“…Energy dispersive X-ray fluorescence (EDXRF) spectroscopy is one of the simultaneously multielemental analytical techniques enables to give estimate of a variety of analytes including metal and non-metal in a quick scan without the destruction of the physical and chemical nature of the sample for major as well as some minor analytes. [26][27][28][29][30] However, trace level determination, low Z analytes determination are some of the limitations for EDXRF. On the other hand, atomic emission spectrometry (OES) is another simultaneously multi-elemental analytical technique found to be reliable and precise for minor and trace level of determination and widely used in nuclear industries for the quality control of nuclear fuel and associated materials.…”

A Comprehensive Investigation alongwith the Statistical Evaluation for the Characterization of Ilmenite Mineral by X‐ray Fluorescence Spectrometry and Optical Emission Spectrometry

“…To avoid spectral interference, chemical separation of major matrix is essential [21–23] . On the contrary, D. C. Arc carrier distillation involves solid powder samples (no dissolution requirement), with the incorporation of suitable carrier resulting physical separation of analytes from emission rich matrix in the arc itself [24–27] . However, the precision of the technique is poor (RSD 15–20 %) but acceptable.…”