scholarly journals Spectrophotometric determination of nitrate and nitrite in natural water samples based on an oxime formation reaction of phenol.

2000 ◽  
Vol 49 (4) ◽  
pp. 261-264 ◽  
Author(s):  
Yasuhiro GOU
Keyword(s):  
Spectrophotometric Determination ◽  
Natural Water ◽  
Water Samples ◽  
Formation Reaction ◽  
Natural Water Samples ◽  
Oxime Formation ◽  
Nitrate And Nitrite

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.

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