Quote:
Originally Posted by Nat Polton
Terry
I have just frightened myself by finding some bromocresol purple on a chemical web site.
For an industrial supplier to list it for sale in quantities starting from 5g gives you an idea of the ridiculous price being asked.
I bought my small amount long before the days of the internet, when chemicals were difficult to find but reasonably priced.
Cheers.
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I also looked up the price of this stuff. I think I'll continue to guess when my acetic stop bath is depleted!