NPL standard solutions

The National Physical Laboratory’s (NPL) range of very low activity standards have been developed specifically for environmental measurements.
The range includes a mixed nuclide standard for gamma-ray spectrometry and single nuclide solutions

The advantages of these very low activity standards are:
• Easier to handle
• Minimal sample preparation
• Lower risk of cross-contamination
• Lower risk of contaminating instruments
• Suitable for laboratories where regulations restrict the quantities
of radioactive materials stored.

The NPL is the UK’s national standards laboratory and has maintained the UK’s primary radioactivity standards for more than eighty years.