Procedure for purifying HNO3 by vacuum distillation?
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Chris
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Registered Member #8
Joined: Thu Feb 02 2006, 04:34AM
Location: Harlowton, MT, United States
Posts: 214
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PVC would not do well with exposure to nitric acid or NO2. It would certainly degrade rapidly, might even ignite under the right conditions. I would use a peristaltic pump (very simple to make) with a viton or fluorosilicone hose. Fluorosilicone is degraded by sulfuric acid but that should be ok after the distillation. Still viton would be better.
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