Luminescense and dosimetry

[Tsurikov Nick <ntsuriko@rgc.com.au>]

Dear Franz

The significant research of luminescence effects which may be useful for   
you was undertaken around 1990 by the Latvian State University in Riga.   
 I took part in experimental studies in Saint Petersburg (former   
Leningrad): we were trying to develop an industrial dosimetry system for   
6 KeV linear electrons' accelerators using Lithium Fluoride chips and   
registering lioluminescense effects by dissolving those chips in   
different solutions, Dipyridil complex of Ruthenium (III), for example.   
 The calibration curve in the interval 1 KGy to 1 MGy was quite linear in   
logarithmic coordinates.

I believe that after I decided to relocate my radiation protection   
activities to Australia, the experimets in Saint Petersburg ceased.   
 However, this was only a part of Latvian University studies.  Additional   
information on the current stage of research can be obtained from:
Bronislav Lescinski
Valdeku, No.50/2, Dz.29
1085, Riga, LATVIA
or from the Latvian State University.

By the way, we used doses of around 10,000 - 50,000 Gy to kill the   
salmonella bacteria (sorry, I am not sure about the corrct spelling) in   
the egg powder for the food industry.  The only problem was that   
solubility of this powder in different emulsions was decreasing (and   
sometimes significantly) after the irradiation.

Those views are mine only, not those of my employer.

Kind Regards
Nick Tsurikov
Radiation Safety Officer - RGC Mineral Sands Limited, Western Australia
P.O.Box 47
Eneabba, WA, 6518, Australia
ph: +61 08 9956 9555
fax: +61 08 9956 9597
ntsuriko@rgc.com.au