The more degraded it gets, the darker in color it gets, 'til it's clumpy and almost black. In my experience it still gives accurate results up to the dark gray, unclumped stage, but after that it needs to be replaced.
Janet
Re: Storing and re-using Taylor's reagents
The more degraded it gets, the darker in color it gets, 'til it's clumpy and almost black. In my experience it still gives accurate results up to the dark gray, unclumped stage, but after that it needs to be replaced.
Janet
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