Radon leakage as a source of additional uncertainty in simultaneous determination of 226Ra and 228Ra by gamma spectrometry—Validation of analysis procedure

2014 ◽  
Vol 87 ◽  
pp. 447-451 ◽  
Author(s):  
Siiri Suursoo ◽  
Madis Kiisk ◽  
Antonio Semakalu ◽  
Kadri Isakar
Keyword(s):  
Simultaneous Determination ◽  
Gamma Spectrometry ◽  
Analysis Procedure

Development of a multicommuted flow analysis procedure for simultaneous determination of sulfate and chloride in petroleum coke employing a homemade syringe pump and a LED-based photometer

2015 ◽  
Vol 7 (11) ◽  
pp. 4769-4779 ◽  
Author(s):  
Felisberto G. Santos ◽  
Andréia C. Pereira ◽  
Sandra M. Cruz ◽  
Cezar A. Bizzi ◽  
Érico M. M. Flores ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Petroleum Coke ◽  
Flow System ◽  
Flow Analysis ◽  
Analysis Procedure ◽  
Syringe Pump

Diagram of the flow system and its working pattern.

A general computer program for the extended plate overlap algorithm

1978 ◽  
Vol 48 ◽  
pp. 287-293 ◽  
Author(s):  
Chr. de Vegt ◽  
E. Ebner ◽  
K. von der Heide
Keyword(s):  
Computer Program ◽  
Simultaneous Determination ◽  
General Computer Program ◽  
General Computer

In contrast to the adjustment of single plates a block adjustment is a simultaneous determination of all unknowns associated with many overlapping plates (star positions and plate constants etc. ) by one large adjustment. This plate overlap technique was introduced by Eichhorn and reviewed by Googe et. al. The author now has developed a set of computer programmes which allows the adjustment of any set of contemporaneous overlapping plates. There is in principle no limit for the number of plates, the number of stars, the number of individual plate constants for each plate, and for the overlapping factor.

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