Coppery slick and metallic back flovour

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Stonecutter
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Re: Coppery slick and metallic back flovour

Post by Stonecutter »

+1 Zed
Other than salts possibly coming over from the product condenser, which was covered in length in a thread Odin posted up, this isn’t a safety issue leaving it up to the individual hobbyists to make a decision.
I’ll side with trappedinoz on the point that I haven’t seen much in the way of scientific studies regarding new and patina worn copper.
In addicted too copper porn though and I’ll keep my copper still.
I’ve got both SS and copper product condensers. SS boiler
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Demy
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Re: Coppery slick and metallic back flovour

Post by Demy »

I can propose an experiment ... take a piece of copper, rub with vinegar up to the shiny color, rinse with water and sniff it .. you will probably feel evident metal smell .... continue to clean it with alcohol a couple of times and let it dry ( so that it forms the patina), I believe that now, even if humid, you no longer feel that metallic smell. I know it is not science but it could help to understand. In brackets, every now and then I clean the interior with an alkaline detergent to avoid too much accumulation of oil patina but most of the time only water is enough, cleaning must be done but it is not necessary to use acidic substances if not necessary. Sometimes I use them for the exterior of copper but there is no reason to do it at every execution. This is only my opinion
Archee72
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Re: Coppery slick and metallic back flovour

Post by Archee72 »

Although I feel for Trappedinoz, as I think he took the lure from one of his countrymen I do agree with the others. Whenever I clean the copper scrubbers in my still the next neutral does have a slight “metallic” taste.
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Trapped-in-Oz
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Re: Coppery slick and metallic back flovour

Post by Trapped-in-Oz »

zed255 wrote: Mon Aug 15, 2022 5:56 am

which is the basis for my idea that the decending path is the critical one with respect to this metallic taste some report.



thank you.

my clean copper is only in the vapour ascent.

..
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NZChris
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Re: Coppery slick and metallic back flovour

Post by NZChris »

A common problem with forum advice is that it is often requested, and given, without sufficient information about the specific problem/question. Details that some posters don't think is important enough to mention often contain the information that is required to properly answer the question or avoid confusion.
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Re: Coppery slick and metallic back flovour

Post by Stonecutter »

I absolutely agree NZChris.
Here are a couple of links that may be pertinent to this discussion.

There’s a link in this DAD300 thread to the Whiskey Science blog which contained an article called “copper” that referenced patina and a very extensive experiment done, however it looks like that article has been edited with that information taken out.. :think:

This Odin thread is the one I referenced above
Freedom had been hunted round the globe; reason was considered as rebellion; and the slavery of fear had made men afraid to think. But such is the irresistible nature of truth, that all it asks, and all it wants, is the liberty of appearing.
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