[volt-nuts] low emf solder
Neville Michie
namichie at gmail.com
Fri Oct 28 17:33:58 EDT 2016
LD50 is not the only consideration. From Wikipedia:
"The International Agency for Research on Cancer has classified cadmium and cadmium compounds as carcinogenic to humans."
FWIW
Neville Michie
> On 29 Oct 2016, at 8:09 AM, NeonJohn <jgd at neon-john.com> wrote:
>
> Let's don't get carried away with cadmium toxicity. Yes, it is toxic is
> sufficient dose but the LD50 dose for Cd is 750 mg/kg while the value
> for lead is around 450mg/kg.
>
> As far as dumping it in a solder pot, that works just fine for me. It's
> cheaper to buy 50/50 plumber's bar solder and then add the appropriate
> amount of lead to get to the eutectic point.
>
> One should also realize that cad-plated hardware is still available. I
> get mine from McMaster-Carr.
>
> John
>
>
> On 10/28/2016 12:39 PM, ed breya wrote:
>> I would recommend against trying to use cadmium - it's very toxic, which
>> is why Cd-based solders are rare nowadays. They are probably still made,
>> but for lab or industrial use with proper handling. If you try to alloy
>> it with Sn yourself without proper handling, you could get poisoned. You
>> can't just throw the ingredients in a solder pot and expect good results.
>>
>> Ed
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>
> --
> John DeArmond
> Tellico Plains, Occupied TN
> http://www.tnduction.com <-- THE source for induction heaters
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