Neutron Activation Analysis of Potassium in Biologic Material with the Use of a New Separation Method

1965 ◽  
Vol 05 (04) ◽  
pp. 436-440
Author(s):  
M. Rakovič ◽  
Z. Procházková
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Carrier Concentration ◽  
Biological Samples ◽  
Room Temperature ◽  
Small Volume ◽  
Separation Method ◽  
Blood Samples

SummaryA new procedure is described for separating radiopotassium in the form of the Perchlorate in neutron activation analysis of biological samples. Compared to the classic procedure used in gravimetry (evaporation with HClO4 to a small volume) precipitation with 20% HClO4 at room temperature is used. The product thus obtained is radiochemically purer, and the separation is more rapid than in the classic procedure. An optimum of the sodium holdback carrier concentration has been found. The method described has been used to determine potassium in blood samples.

Fluorometry of nanogram amounts of selenium in biological samples.

1986 ◽  
Vol 32 (8) ◽  
pp. 1464-1467 ◽  
Author(s):  
Y Tamari ◽  
S Ohmori ◽  
K Hiraki
Keyword(s):  
Neutron Activation Analysis ◽  
Nitric Acid ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Organic Compounds ◽  
Human Blood ◽  
Biological Samples ◽  
Fluorometric Method ◽  
Hair Samples ◽  
Non Destructive

Abstract For fluorometry of selenium in human blood, hair, and liver and in leaves, we wet-ashed the samples with conventional nitric and perchloric acids, and then extracted piazselenol (complex of Se and 2,3-diaminonaphthalene) in cyclohexane. Selenium was back-extracted from the cyclohexane into nitric acid to remove the fluorometric interferences of trace amounts of organic compounds. This fluorometric method is rapid and suitable for routine analysis. We applied the method to human hair samples and compared it with the data for non-destructive neutron activation analysis of the hair.

Prompt gamma neutron activation analysis of 10B and Gd in biological samples at the MEPhI reactor

2009 ◽  
Vol 67 (7-8) ◽  
pp. S251-S253 ◽  
Author(s):  
V.F. Khokhlov ◽  
K.N. Zaitsev ◽  
V.N. Beliayev ◽  
V.N. Kulakov ◽  
A.A. Lipengolts ◽  
...  
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Biological Samples ◽  
Prompt Gamma ◽  
Gamma Neutron Activation

Neutron activation analysis of biological samples at the Radiochemistry Division of IPEN-CNEN/SP

1994 ◽  
Vol 43-45 (1) ◽  
pp. 517-525 ◽  
Author(s):  
M. Saiki ◽  
M. B. A. Vasconcellos ◽  
V. A. Maihara ◽  
M. J. A. Armelin ◽  
D. I. T. Fávaro ◽  
...  
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Biological Samples ◽  
Radiochemistry Division
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