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Ultima Gold, 2x5L

Ultima Gold is a safer liquid scintillation cocktail for a wide range of aqueous and nonaqueous samples. Ultima Gold is the ideal, high efficiency, multipurpose LSC cocktail. For samples which exhibit severe quench in conventional cocktails, Ultima Gold provides superior detection efficiency.

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  • Very high flash point: simplifies transportation and eliminates special storage requirements
  • Very low vapor pressure: nonvolatile
  • Low toxicity
  • Biodegradable
  • Nonflammable
  • High counting efficiency
  • High quench resistance


Detection Method Radiometric
Grade Safer
Product Brand Name Ultima Gold
Quantity in a Package Amount 2.0 Units
Sample Type Liquid (aqueous), Solid (soluble), Solid (insoluble), Biological samples
Shipping Condition Ambient
Unit Size 2 x 5 L
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Application Note

LSC Sample Preparation and Counting of Biological Samples

In Liquid Scintillation Counting (LSC), preparationof biological samples has always been treated as aspecial case because of the difficulties associated with their preparation for counting. In general, all biological samples contain components not generallyfound in any other sample types, therefore it is of benefit to understand the composition of these samples to fully understand the need for the slightly unusual sample preparation methods.

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LSC in Practice - Cocktail Microemulsion May Product Stable "Liquid Crystal" Structure

One researcher commented that the addition of a 5.0 mLof 0.1 M HCl sample to 10.0 mL of ULTIMA™ Gold,followed by mixing at 24 °C, resulted in a “slightly hazy” system. The researcher was concerned that this might indicate an unstable mixture.

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LSC in Practice - Counting Aqueous Samples by LSC

The primary objective of all sample preparation procedures for liquid scintillation counting (LSC) is to obtain a homogeneous solution for efficient energy transfer from the sample to the LS cocktail. Aqueous solutions are some of the simplest and most commonly found in liquid scintillation analysis. In general, they provide the environment necessary for many assays and separations, and include the most encountered solvent media for the numerous radioisotopes usedin LSC.

LSC in Practice - Measurement of 3H in Dilute Sulfuric Acid

One of PerkinElmer’s field sales engineers forwarded a request for assistance regarding the selection of the optimal cocktail for use with a sample containing 4.5 mL deionized water and 0.036 N sulfuric acid. The nuclide of interest was 3H, and polyethylene vials were used extensively in the laboratory.

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Radiometric Reagents Guide 2010-2011

For over 50 years PerkinElmer has been a leading supplier of radiochemicals, liquid scintillation cocktails, vials and nuclear counting detection instruments. Today is no different. We have always been committed to providing you products for all of your radiometric needs and we are still committed today.

Scintillation Cocktails & Consumables - For every liquid scintillation counting application

Address any liquid scintillation counting need with PerkinElmer’s liquid scintillation cocktails, tissue solubilizers and specialty chemicals. You can be confident that our products meet the highest standards of performance, user safety, environmental safety, and user convenience. Plus, our portfolio of application notes can assist you with even the most complex liquid scintillation counting applications you perform in your research.

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