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by SM Packard
Tue Mar 14, 2017 9:22 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Repairing or reworking water damaged NaI(Tl) Crystals
Replies: 7
Views: 3333

Repairing or reworking water damaged NaI(Tl) Crystals

I have acquired a number of high quality NaI(Tl) crystals for use in scintillation detectors. These crystals were made to very high standards of quality, but they are old, 50+ years. The crystals are no longer clear. They have yellowed as a result of absorbing water, as the material tends to do. Thi...