Help! > Mistakes, muckups, and dangerous behaviour

Cleaning parallels - the wrong way

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Gas_mantle:
A couple of my parallel were showing a bit of tarnish so in a fit of madness I thought a quick dip in some citric acid that I use when soldering ought to do the job.

I forgot about them and 2 days later had a jar of black liquid plus these 2 :-

b.lindsey:
Yikes!! Well, good excuse to get a new set now ;)

Bill

Gas_mantle:

--- Quote from: b.lindsey on May 08, 2019, 05:07:55 PM ---Yikes!! Well, good excuse to get a new set now ;)

Bill

--- End quote ---

Yea, its a lesson learnt. I can't believe how much the acid ate into them - I was only a solution of citric acid crystals in water and not particularly concentrated either.

Vixen:
Try and convince yourself you have simply provided an etched oil retaining surface.

You can keep on using them, the sides will still be parallel

Mike

Jo:
 :thinking: I have had numerous set of parallels for over 30 years and other than the odd home made "feature"  ::) they have never shown the slightest sign of wanting to tarnish even if abused and left damp  :facepalm2: .

Where did you get them from Peter? Give them a little rub on a bit of wet and dry on a surface plate and see if it comes off, if not I would try to buy replacements made of a better quality steel.

Jo

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