Re: Analytical method

[Franz Schoenhofer <schoenho@via.at>]

At 11:59 03.05.2000 -0500, you wrote:
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>We used over a dozen different types of LS cocktails (commercial products)
for
>background study using Quantulus 1220 and other LS counters. We learned that
>background levels vary among different LS cocktail types. We study was
limited to
>H-3 channels of 50-350. M. Jo
>

Also efficiency varies with cocktail. Both efficiency and background vary
with the ratio of cocktail to sample as well as the nature of the sample.
We have tested these various conditions for the case of tritium in water.
It has been published in a recent issue of "Radioactivity and Radiochemistry".

Franz


Franz Schoenhofer
Habicherg. 31/7
A-1160 Vienna
Austria
Tel.: +43-1-495 53 08
Fax.: same number
mobile phone: +43-664-338 0 333
e-mail: schoenho@via.at


Office:
Hofrat Dr. Franz Schoenhofer
Federal Ministry of Agriculture, Forestry, Environment and Water Management
Radiation Protection Department (BMLFUW I/8 U)
Radetzkystr. 2
A-1031 Vienna
AUSTRIA

phone: -43-1-71172-4458
fax: -43-1-7122331

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