• Question: What types of substances do you find most difficult to purify? Why?

    Asked by Ash_K to Nicholas on 9 Nov 2015.
    • Photo: Nicholas Pearce

      Nicholas Pearce answered on 9 Nov 2015:

      Hello,

      Some things will break apart in light, so I have to do the purification (and everything after) in the dark, making it a lot harder because I can’t see what I’m doing.

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