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Technical Discussions
Heyns
Heyns
00:34 Aug-09-2007
Storage life of X-Rays

Is there an accelerated test to determine the storage life of X-Ray films ?

Thank You


    
 
 
Bill Kiesel
Bill Kiesel
00:54 Aug-10-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: Is there an accelerated test to determine the storage life of X-Ray films ?
: Thank You
------------ End Original Message ------------

The standard test used in the aerospace industrie is called a residual thiosulfate test. This is a test of an un-exposed film that has been developed, fixed and washed. Using the test method established by your film supplier a quanity of residual thiosulfates can be established based on that quanity the storage life for exposed film can be established.
Hope that helps.


    
 
 
chris s
chris s
03:26 Aug-10-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: : Is there an accelerated test to determine the storage life of X-Ray films ?
: : Thank You
: The standard test used in the aerospace industrie is called a residual thiosulfate test. This is a test of an un-exposed film that has been developed, fixed and washed. Using the test method established by your film supplier a quanity of residual thiosulfates can be established based on that quanity the storage life for exposed film can be established.
: Hope that helps.
------------ End Original Message ------------

is that test consistent with manually developed film ?


    
 
 
Bill Kiesel
Bill Kiesel
05:40 Aug-11-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: Is there an accelerated test to determine the storage life of X-Ray films ?
: Thank You
------------ End Original Message ------------

Yes, Although we only employ automatic processing I believe the test would be the same.


    
 
 
chris s
chris s
09:37 Aug-11-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: : Is there an accelerated test to determine the storage life of X-Ray films ?
: : Thank You
: Yes, Although we only employ automatic processing I believe the test would be the same.
------------ End Original Message ------------

thanks for the reply, i was curious if using time and temp manually, would the temp change affect the results


    
 
 
Bill Kiesel
Bill Kiesel
03:29 Aug-13-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: Is there an accelerated test to determine the storage life of X-Ray films ?
: Thank You
------------ End Original Message ------------

Since the thiosulfates are removes at the fix/wash step the temp should not be a factor.


    
 
 
Zeki Gokce
Zeki Gokce
04:45 Aug-13-2007
Re: Storage life of X-Rays
----------- Start Original Message -----------
: : : Is there an accelerated test to determine the storage life of X-Ray films ?
: : : Thank You
: : The standard test used in the aerospace industrie is called a residual thiosulfate test. This is a test of an un-exposed film that has been developed, fixed and washed. Using the test method established by your film supplier a quanity of residual thiosulfates can be established based on that quanity the storage life for exposed film can be established.
: : Hope that helps.
: is that test consistent with manually developed film ?
------------ End Original Message ------------

Yes you can use this on manual developed film. If I am not mistaken the results need to be interpreted right away. The one that I have used was manufactured by Kodak and over time the results were changed. So as far as I can remember you can not save the test data but you can always conduct another test in the spot in an audit.

Zeki


    
 
 

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