Re: Dose rate determination knowing

[Lew Dallas <lewisdallas@worldnet.att.net>]

Sandy Perle wrote:
> 
> I am interested in obtaining information necessary to approximate the
> exposure dose rate from an x-ray tube knowing the Kv (tube potential)
> and ma (tube current). I am aware there are other factors involved
> and would appreciate any information you can provide. I have reviewed
> Johns and Cunningham's The Physics of Radiology, from my graduate
> school days, and assume that there are more current references
> available, since this was a 1969 edition.
> 
> I would appreciate any information regarding making an approximation.
> Please E-Mail me directly at either of the E-Mail addresses listed
> below.
> 
> Thanks ...
> 
> ------------------
> Sandy Perle
> Technical Director
> ICN Dosimetry Division
> Costa Mesa, CA 92626
> Office: (800) 548-5100 x2306
> Fax:    (714) 668-3149
> 
> mailto:sandyfl@ix.netcom.com
> mailto:sperle@icnpharm.com
> 
> ICN Dosimetry Website:
> http://www.dosimetry.com (~ July 27)
> 
> Personal Homepage:
> http://www.geocities.com/CapeCanaveral/1205
> http://www.netcom.com/~sandyfl/home.html
> 
> "The object of opening the mind, as of opening
> the mouth, is to close it again on something solid"
>               - G. K. Chesterton -	The Health Physics and Radiological Health Handbook (1989 
edition) has a graph on both page 292 and 293 that may be of help to 
you.  It gives mr/mas for various tube potentials and filtration.  kVp 
and filtration are sort of connected with respect to beam quality.  Hope 
this is of a help.

lewisdallas@worldnet.att.net