Guest guest Posted May 4, 2001 Report Share Posted May 4, 2001 I'm preparing a spagyric tincture and I'm having some trouble calcining the marc. First I dried it. Then I cooked it over a camping stove outside in a ceramic vessel until it was all charcoal. After it stopped smoking, I moved it inside to the oven. Junius says 400-450 degrees is sufficient, so that's what I've been heating it at - for about 12 hours now - but it's still dark grey, not white, and there are lots of little chunks that aren't breaking down. First, how white does it have to get? Can someone give me a time frame for total calcination (so I know how patient to be and what kind of an electric bill to expect)? If I incorporate this as it is (maybe somewhere between charcoal and ash) into my tincture to extract the soluble salts (and then decant the tincture off from the caput mortuum), will I ruin my tincture with the charcoal (or at least degrade the taste)? Would it be preferable to extract the soluble salts from this charcoal/ash separately, using distilled water & evaporation or soxhlet extraction, so I don't risk tainting my tincture? (My current kitchen is not set up ideally for soxhlet extraction since the sink is across the room from the stove & I'll need cold water for the condenser, so I'd rather not have to do it this way.) Thanks, Peter ============================== Peter L. Borten, L.Ac. 4004 SW Kelly Avenue, Ste 201 Portland, Oregon 97201 503.522.2613 http://www.whiteflowerhealing.com/ ============================== Quote Link to comment Share on other sites More sharing options...
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