[Boatanchors] Unmarked solder... rosin or acid core?

[James Duffer]

Placing tongue on acid core will identify the acid core type solder.  Taste test.
Jim, wd4air

> Date: Wed, 10 Dec 2014 13:42:59 +0000
> From: wa1rkt at comcast.net
> To: boatanchors at mailman.qth.net
> Subject: [Boatanchors] Unmarked solder... rosin or acid core?
> 
> 
> If you have an unmarked roll of solder, is there a way to tell with reasonable certainty whether it's rosin core or acid core?
> 
> Rick WA1RKT 
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