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Economical Gel-Forming Cocktail
Ready Value Sample Holding Diagram
Economy
If economy is a key consideration in your laboratory, select Ready Value. This cocktail is ideal for laboratories with a large number of aqueous samples under standard conditions and it eliminates the hazards and mess associated with preparing your own cocktail.
Efficiency and Holding Capacity
Despite its economical price, good counting efficiencies can be expected for Tritium. If you wish, you can switch to mini-vials and obtain additional cost savings while retaining acceptable counting performance for many applications. Ready Value contains no Triton X-100 and so has no unstable, uncountable region between 0-5% sample load.
Typical Counting Efficiencies for Tritium
Using Ready Value
Standard vials with 1 mL Sample in 10 mL cocktail
Mini-vials with 1 mL sample in 5 mL cocktail
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| Sample |
Standard Vials
%Efficiency Appearance |
Mini Vials
%Efficiency Appearance |
| Water |
37.9 |
Clear |
30.2 |
Gel |
| PBS Buffer |
37.8 |
Clear |
31.0 |
Gel |
| 1.0M NaCl |
37.0 |
Clear |
N/A |
N/A |
| 0.1M HCl |
35.9 |
Clear |
28.0 |
Gel |
| 0.1M NaOH |
36.9 |
Clear |
30.3 |
Gel |
| 8.0M Urea |
36.8 |
Clear |
28.5 |
Gel |
| 20% Sucrose |
38.2 |
Clear |
30.8 |
Clear |
As illustrated in the above phase diagram, Ready Value has great sample holding capacity forming either a clear, homogeneous solution or a stable gel under conditions of high sample load. It can even hold up to its own volume of sample. Phase stability for the clear liquid and gel regions has been demonstrated by less than 3% change in counting efficiency for a minimum of 72 hours over the temperature range from 10°C to 30°C. This versatility lets you keep one cocktail on hand for a wide variety of samples and volumes.
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