Total reflection X-ray fluorescence spectrometric determination of ultra-trace uranium in natural water samples using a dispersive liquid–liquid micro-extraction method

2020 ◽  
Vol 35 (8) ◽  
pp. 1632-1640
Author(s):  
Vikas Kumar Shukla ◽  
Sangita Dhara ◽  
N. L. Mishra
Keyword(s):  
Natural Water ◽  
Water Samples ◽  
Extraction Method ◽  
Total Reflection ◽  
X Ray ◽  
Natural Water Samples ◽  
Ultra Trace

A total reflection X-ray fluorescence (TXRF) method in conjugation with dispersive liquid–liquid micro-extraction (DLLME) was developed for the determination of uranium present at ultra-trace levels in water samples.

Arsenic quantification and speciation at trace levels in natural water samples by total reflection X-ray fluorescence after pre-concentration with N-methyl-d-glucamine functionalized quartz supports

2020 ◽  
Vol 35 (11) ◽  
pp. 2770-2778
Author(s):  
Kaushik Sanyal ◽  
Sankararao Chappa ◽  
J. Bahadur ◽  
Ashok. K. Pandey ◽  
Nand Lal Mishra
Keyword(s):  
Natural Water ◽  
Water Samples ◽  
Total Reflection ◽  
X Ray ◽  
Natural Water Samples ◽  
Water Based ◽  
Ultra Trace

A TXRF method for the speciation and determination of As at ultra-trace levels in natural water based on the use of an Au-loaded NMDG membrane immobilized on a quartz reflector for extraction.

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