First Total Reflection X-Ray Fluorescence round-robin test of water samples: Preliminary results

2014 ◽  
Vol 101 ◽  
pp. 6-14 ◽  
Author(s):  
Laura Borgese ◽  
Fabjola Bilo ◽  
Kouichi Tsuji ◽  
Ramón Fernández-Ruiz ◽  
Eva Margui ◽  
...  
Keyword(s):  
Water Samples ◽  
Round Robin ◽  
Total Reflection ◽  
Round Robin Test ◽  
X Ray ◽  
Preliminary Results

Calibration of straight total reflection X-ray fluorescence spectrometry — results of a European Round Robin test

2001 ◽  
Vol 56 (11) ◽  
pp. 2283-2292 ◽  
Author(s):  
I. Rink ◽  
P. Rostam-Khani ◽  
J. Knoth ◽  
H. Schwenke ◽  
S. de Gendt ◽  
...  
Keyword(s):  
Round Robin ◽  
Total Reflection ◽  
Fluorescence Spectrometry ◽  
Round Robin Test ◽  
X Ray

scholarly journals Precision of the Residual Stress determined by X-ray Diffraction: Summery and Limits

2019 ◽  
Author(s):  
Eckehard Mueller
Keyword(s):  
Residual Stress ◽  
Compressive Residual Stress ◽  
Round Robin ◽  
Surface Treatments ◽  
X Ray Diffraction ◽  
Measurement Standard ◽  
Passenger Cars ◽  
Round Robin Test ◽  
X Ray ◽  
Mechanical Surface

Today components specially for passenger cars are weight optimized. Often it is done by mechanical surface treatments. Therefore, the amount of compressive residual stress induced by the treatment must be known. The measurement is very often done by x-ray diffraction. But how precise can you determine (and not directly measured) the amount? A big question is the calibration of the equipment. A specimen must be designed and calibrated by round robin test, because no measurement standard is available.

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.

Uranium Concentration Measurement in Water Samples with TXRF

1991 ◽  
Vol 35 (B) ◽  
pp. 965-967
Author(s):  
F. Hegedus ◽  
P. Winkler
Keyword(s):  
Water Samples ◽  
Uranium Concentration ◽  
Total Reflection ◽  
Fluorescence Method ◽  
Concentration Measurement ◽  
X Ray ◽  
Low Level

AbstractThe Total Reflection X-Ray Fluorescence method was used to detect low level (ppb) uranium concentration in water.

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