[JN] Dishwasher health contamination

jc morrison flipit4real at gmail.com
Wed Jun 5 08:05:51 CDT 2019


a dip in a weak solution of hydrochloric acid (muriatic acid) and water,
followed by the enzyme wash cycle... i would try it. this could be tweaked
of course.


On Wed, Jun 5, 2019 at 3:03 PM jc morrison <flipit4real at gmail.com> wrote:

> i think it's a great idea. the dishwasher. tektronix cleaned oscilloscopes
> in a tub. i think that it might be worth experimenting with the soap a bit.
> there are those enzyme pucks for degreasing the dishwasher itself.... might
> be perfect for crusty old sockets. rust will NOT be removed. however, a
> "rust dip" (flea dip?) first, might be just the ticket? "oxyclean" or other
> oxalic acid based bleach or spot remover might be good for rust?
>
> On Wed, Jun 5, 2019 at 2:47 PM Hans Hedal via Sound <sound at soundlist.org>
> wrote:
>
>> The next thing I would consider is
>>
>>    1. if the metal parts were pre-treated (tinned) with a lead/tin alloy
>>    (similar to tin solder)
>>    2. and the possibility that some small amount of this will be
>>    deposited in your dishwasher.
>>
>> https://en.wikipedia.org/wiki/Lead_poisoning
>>
>> Hans
>>
>>
>> Den 05-06-2019 kl. 13:43 skrev Hans Hedal via Sound:
>>
>> Some years ago I bought some vintage NOS 50s/60s tube sockets.
>> When I received them, I found out, they had cadmium plated metal parts
>> according to their vintage spec sheets.
>> Then I quickly got rid of them
>>
>> So one thing I would make sure first is, that the metal parts are not
>> cadmium plated or have traces of cadmium:
>>
>> "In the 1950s and 1960s industrial exposure to cadmium was high"
>> "Cadmium (Cd) is an extremely toxic industrial and environmental
>> pollutant classified as a human carcinogen"
>> https://en.wikipedia.org/wiki/Cadmium_poisoning
>>
>>
>> Hans
>>
>>
>> Den 05-06-2019 kl. 07:48 skrev David Crittle via Sound:
>>
>> Hey Joes
>>
>> I have several hundred NOS (1950s?) Amphenol 78S8 tubes sockets.
>> Tarnish makes it a bit  hard to solder. I have hear that a cycle
>> through the dishwasher can clean them up.
>>
>> Got them neatly strung up on tie wire ready to go, but ...
>>
>> My concerns related to hazardous substances issues.
>>
>> Maybe ultra sonic cleaner instead. However i do have a dishwasher, and
>> i don't have an ultrasonic cleaner
>>
>> Any ideas/thoughts/suggestions/facts/opinions/experience ?
>>
>> David Crittle in Wagga Wagga
>>
>>
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>
>
> --
> jean christophe - rustbucket airplane
>


-- 
jean christophe - rustbucket airplane
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