Please read our pages on sample weight requirements, and if you are unsure about the suitability of your sample please contact us.Current monetary exchange values can be estimated with the Universal Currency Converter.What methods do they use and how do these methods work?In this article, we will examine the methods by which scientists use radioactivity to determine the age of objects, most notably carbon-14 dating.

Alex Wilson in anticipation of geomorphology and tephrostratigraphy projects looking at landform processes in the Waikato region.

Very small samples (less than 300 mg) are analyzed by accelerator mass spectrometry (AMS).

We have subcontractor agreements with several AMS facilities around the world.

Our AMS combustion lines were first built in 1996 by Dr.

Tom Higham (now Oxford University) and our graphite lines started producing commercial AMS samples in 2002.