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Document Type

Research

Abstract

While using a quartz spectrograph and a fused quartz photoelectric cell, a large leak was observed immediately after shutting off the exciting light. This was apparently due to a phosphorescence of the fused quartz. Only a few seconds exposure sufficed to give the saturation value. The current decreased according to the regular law of decay of phosphorescence reaching zero in about one minute.

Publication Date

1931

Journal Title

Proceedings of the Iowa Academy of Science

Volume

38

Issue

1

First Page

219

Last Page

219

Copyright

©1931 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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