[ RadSafe ] A long shot here ....

[Joseph Preisig]

McCarn,

    HMMMM.  So, that's what happened to you, huh???

    Joe Preisig



On Fri, Dec 18, 2015 at 3:06 PM, Ted de Castro <tdc at xrayted.com> wrote:

> Probably not - HV too low.  AND the tube is gas filled - NOT vacuum - so
> the electrons would not impinge on the anode at full energy.
>
>
> On 12/18/2015 11:52 AM, Dan McCarn wrote:
>
>> Dang!
>>
>> That would mean that my old 5kv at 0.5 amp power supply with a full-wave
>> rectifier consisting of 4 mercury vapor tubes (that glowed so eerily)
>> probably gave me a dose in my teens.
>>
>> Dan W McCarn
>> 108 Sherwood Blvd
>> Los Alamos, NM 87544 USA
>> +1-505-670-8123
>> Sent from my iPhone
>>
>> On Dec 18, 2015, at 12:44, Ted de Castro <tdc at xrayted.com> wrote:
>>>
>>> On page 164 of the 1970 Radiological Health Handbook is a very useful
>>> graph entitled "Half-Value layers at Photon from 10 keV to 10 meV".
>>>
>>> I was looking into electronic ways to interpolate values from the graph
>>> but found that the only twp pieces of software that would allow me to get
>>> absolute pixel coordinates from the image are Photo Shop or MatLab - I have
>>> neither and can't afford either.  (with the pixel coordinates of the 4
>>> corners of the plot and the point of interest - a spreadsheet that would
>>> return the value of the point of interest would be a trivial exercise).
>>>
>>> So - the question here is - does anyone have this plot in a better
>>> quality electronic image, or has anyone worked out the data points from
>>> which it was compiled or has anyone come up with or found an electronic way
>>> to get this information?
>>>
>>> Thanks
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>
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