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Old 02-14-2018, 05:17 PM
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Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
Join Date: Apr 2002
Location: Chocorua New Hampshire
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Pete VanderLaan is on a distinguished road
My offhand thought is cryolite= sodium alumina hexafluoride/ Very small additives would reduce the melt conditions. It would slop it up. Otherwise sodium nitrate for the runny goblet people. . Either will push the expansion around.
What you need to be seeing is the phase separation reduction of Apatite crystals occurring because the calcium is being dropped. Trying to do this in essentially a production shop is really ambitious.

This is a phrase that really gets spell check maxed out. Now it wants appetite.
Where are we going and why am I in this basket?
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