[pure-silver] Re: Citric Acid as stop bath

  • From: Peter Badcock <peter.badcock@xxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Thu, 14 Oct 2010 23:27:34 +1100

In an interesting circle of life kind of way, Aspergillus niger is used to
make 99% of the world's citric acid.

http://en.wikipedia.org/wiki/Aspergillus#Commercial_importance<%20http://en.wikipedia.org/wiki/Aspergillus#Commercial_importance>


On 14 October 2010 19:45, titrisol <titrisol@xxxxxxxxx> wrote:

> Those are moulds, ubiquitous airborne spores are found everywhere
> Some penicillium, aspergillus and others are visible.
>

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