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Purpling of Purpleheart -- Denouement
P van Rijckevorsel wrote: Next phase: put a bit of freshly surfaced purpleheart in an enclosed box with a blacklight that emits UV only and see what happens ;-) PvR Charlie Spitzer schreef yes. all fl lights put out some uv light. some fl lights put out nothing but uv light (black lights, germicidal), or near-uv light (actinic). regards, charlie cave creek, az "Leon" wrote To add to this a bit, I understand your findings to be true and I understand that warm temperatures will change the wood back to brown. If you put the purple heart out in the Summer sun light out doors, you may end up with brown. Also I understand that fluorescent lights do indeed emit UV light. |
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