Neutron Radiography and neutron imaging solutions are a specialty of Nray Services Inc. Head Office: 56A Head Street Dundas Ontario, Canada L9H 3H7 Phone: 905.627.1302 Fax: 905.627.5022 URL:www.nray.ca  The term nray can also be spelled n-ray or NR
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Glossary of
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N-ray vs X-ray
(what's the difference?)

IQI Tutorial (PDF)


ASTM E-545 Calculator

Note: JavaScript must be enabled on your browser for this radiography film quality category calculator to work.

ASTM standard E-545 is a standard method for determining image quality in direct thermal neutron radiographic examinations.  This calculator gives the neutron radiographic category (from 1 to 5) in accordance with ASTM E-545, based on the data entered.

Enter the values for film density measured from the image of the beam purity indicator (BPI) and sensitivity indicator (SI):

BPI Values
SI Values
Boronhigh Boronlow Leadhigh Leadlow Teflon Hole Holes Gaps



Results
% Thermal Neutrons
% Scatter
% Gamma
% Pair Production
Holes
Gaps
Overall Category
N/A N/A N/A
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Category