[ RadSafe ] LSC Method Assistance Needed - CO2

[blreider at aol.com]

Thanks to those of you who have responded, I think your inputs have been helpful.  If anyone else who does a lot of LSC counting has additional input we would love to hear from you!

Barbara Reider, CHP






-----Original Message-----
From: blreider at aol.com
To: radsafe at radlab.nl
Sent: Wed, Jan 6, 2010 8:27 pm
Subject: [ RadSafe ] LSC Method Assistance Needed - CO2



One of my friends, a new HP, asked me if I could assist him in finding a better 
ocktail for his SC work.  He writes:  "Our breath bioassay monitors 14CO2.  So 
e have a solution that we make, and we bubble the air from the balloons in the 
olution to trap the co2 and count it on our LSC.  This has been done for a long 
hile, but the mixture is made up of some nasty stuff, so I just want to see if 
e can do better." 
The method they use a toluene based cocktail:  "solution that contains 
oluene,sodium hyrdroxide, trimethylbenzene, and methyl glycol."
t has been a long time since I did LSC so if you have any experience and advice 
 am sure he will appreciate it.
hanks in advance.
arbara Reider, CHP 
It has been a long time since I did LSC so if you have any experience and advice 
 am sure he will appreciate it.
hanks in advance.
arbara Reider, CHP 

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