Performance of Gold Star LT2 with various samples at 20°C

   

Sample

Uptake

0.01M PBS

9.50 ml

0.1M PBS

5.5 ml

0.5M PBS

<0.25 ml

1.0M PBS

<0.25 ml

0.15M NaCl

9.50 ml

0.5M NaCl

6.0 ml

0.05M Tris

10.0 ml

0.2M NaH2PO4

5.0 ml

0.1M HCl

8.5 ml

0.1M NaOH

10.0 ml

1.0M NaOH

<0.25 ml

0.25M CH3COONH4

7.0 ml

Urine

6.0 ml

1.0M H3PO4

10.0 ml

2.0M H3PO4

4.5 ml

4.0M H3PO4

3.0 ml

1.0M HNO3

4.5 ml

2.0M HNO3

2.5 ml

4.0M HNO3

2.5 ml

1.0M HCl

10.0 ml

2.0M HCl

3.5 ml

4.0M HCl

2.5 ml

Gold Star LT2 low level counting performance

       

(PE Tri-Carb in low level count mode at 12°C)

       
             
   

Optimised Window (0.5-4.5 keV)

 

Water: Cocktail ratio

Cocktail

% 3H Eff

Bkg

E2/B

E2V2/B

MDA (Bq/Lt)

8 ml : 12 ml

Gold Star LT2

33%

3.1 cpm

351

22,482

1.19

10 ml : 10 ml

Gold Star LT2

28%

3.2 cpm

245

24,500

1.43

11 ml : 9 ml

Gold Star LT2

25%

3.2 cpm

195

23,630

1.6

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