A Highly Simplified Multielement Calibration System for Semiquantitative X-Ray Spectrographic Analysis

1959 ◽  
Vol 3 ◽  
pp. 139-162
Author(s):  
Merlyn L. Salmon
Keyword(s):  
Spectrographic Analysis ◽  
Calibration System ◽  
Satisfactory Solution ◽  
X Ray ◽  
Calibration Curves ◽  
Satisfactory Method ◽  
Mineral Analyses

AbstractSemiquantitative results are adequate for the satisfactory solution of many problems involving mineral analyses, andfluorescent X-ray spectrography is gaining more recognition as a satisfactory method for performance of these analyses.Successful applications of the method, in various instances are discussed to demonstrate a system involving minimum s am - pie preparation and the use of instrumental factors in establishing multielement calibration curves.

X-Ray Spectrographic Analysis of Automotive Combustion Deposits Without the Use of Calibration Curves

1965 ◽  
Vol 9 ◽  
pp. 528-532 ◽  
Author(s):  
J. C. Wagner ◽  
F. R. Bryan
Keyword(s):  
Sample Preparation ◽  
Calibration Curve ◽  
Dilution Method ◽  
Spectrographic Analysis ◽  
Ray Method ◽  
X Ray ◽  
Calibration Curves ◽  
Adequate Agreement

AbstractArt X-ray spectrographic technique requiring no calibration curves is used to determine chlorine, bromine, and lead in automotive combustion deposits. Other elements, such as zinc and barium, can probably be determined by the same X-ray technique. The inert dilution method, described by Sherman in 1957, is employed. Improvements in sample preparation have been made to make the procedure more reliable. Results are calculated by the use of a formula, which is shown to be valid even though sample and standard have composition differences which cause interelement-effect errors if calibration-curve techniques are used. Adequate agreement is obtained between the inert dilution X-ray method and chemical procedures.

Performance of a 3 mm×3 mm silicon photomultiplier for use on the X-ray calibration system of the SVOM gamma ray monitor

2012 ◽  
Vol 36 (4) ◽  
pp. 334-338 ◽  
Author(s):  
Fei Jia ◽  
Yong-Wei Dong ◽  
Jun-Ying Chai ◽  
Jiang-Tao Liu ◽  
Bo-Bing Wu ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Calibration System ◽  
Silicon Photomultiplier ◽  
X Ray

X-RAY Spectrographic Analysis of Manganese Nodules

1960 ◽  
pp. 175-184 ◽  
Author(s):  
George M. Gordon ◽  
Donald J. McNely ◽  
John L. Mero
Keyword(s):  
Spectrographic Analysis ◽  
Manganese Nodules ◽  
X Ray

scholarly journals Analytical electron microscopic evaluation of the effects of paraformaldehyde pretreatment on the reaction of glutaraldehyde with biogenic amines.

1982 ◽  
Vol 30 (5) ◽  
pp. 481-486 ◽  
Author(s):  
R E McClung ◽  
J Wood
Keyword(s):  
Electron Microscopy ◽  
Analytical Electron Microscopy ◽  
Microscopic Level ◽  
Electron Microscopic Level ◽  
Spectrographic Analysis ◽  
Electron Microscopic ◽  
X Ray ◽  
Microscopic Evaluation ◽  
Analytical Electron ◽  
Dense Product

Analytical electron microscopy was used to determine the quantitative effects of paraformaldehyde pretreatment on the formation of the biogenic amine-glutaraldehyde-chrome complex. Pretreatment with paraformaldehyde prevented the glutaraldehyde-chrome reaction with norepinephrine in the rat adrenal medulla. In contrast to the effect of paraformaldehyde on norepinephrine, pretreatment did not prevent the chrome reaction in serotonin-containing argentaffin cells of the gut. X-Ray energy spectrographic analysis revealed a significant decrease in chrome content in the paraformaldehyde treated tissue, but sufficient chrome did react to produce an electron-dense product. Thus by treating tissue with paraformaldehyde prior to the glutaraldehyde chrome procedure, serotonergic sites may be differentiated from catecholaminergic areas at the electron microscopic level.

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