[volt-nuts] Resistance standard

[NeonJohn]

On 07/23/2011 01:14 PM, Charles Black wrote:
> Hi,
> 
> The traditional oil for standard resistors and oil baths is Mineral Oil.
> The cheapest source of Mineral Oil USP  for small quantities is out
> local grocery store at about $5.50 per pint. It is a highly purified
> paraffin oil. If you need a large quantity then check out Exxon Marcol
> 72 which is available for about $12 per liter from Measurements
> International. I am trying to find a much better price since I could
> potentially use 157 liters if I am able to get a used bath that I know of.

Assuming from your address that you're in the US, check out Tractor
Supply.  They have USP mineral oil for about $12 a gallon.  Sold as a
livestock laxative.  I use a lot of it in my high voltage endeavors.

John

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John DeArmond
Tellico Plains, Occupied TN
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