Method of making radiochromic dosimeter using Calcein dye
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United States of America Patent
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Feb 19, 2019
Grant Date -
Mar 15, 2018
app pub date -
Sep 12, 2016
filing date -
Sep 12, 2016
priority date (Note) -
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Abstract
Calcein-PVA film and Calcein solution dosimeters is made for high dose applications. Systematic evaluation of dosimetric properties for the films is being conducted and was found useful for routine dosimeter in industrial radiation processing. The color bleaching of CA-PVA film and CA solution increases gradually with increasing absorbed dose in the dose range of 5-30 kGy for film, and 0.25-1 kGy for solution. The dose sensitivity increases significantly with increase of concentration of CA dye. The response of the CA-PVA films was slightly affected by relative humidity and temperature. The stability of film dosimeters and solutions after irradiation was very high and were stable for up to 30 days.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- G01T:MEASUREMENT OF NUCLEAR OR X-RADIATION
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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