Published online by Cambridge University Press: 22 February 2011
The neutron probe is a non-destructive technique for examining materials that is based on prompt neutron/gamma spectroscopy. It can be used either at a nuclear reactor or, with portable neutron sources, in the field or even underwater. Since it is sensitive to a wide range of elements, it can be applied to many problems in materials analysis and conservation. A description of the major features of the neutron probe's operation is presented, along with a case study of chloride deterioration of an historic brick structure at Colonial Williamsburg.