cipi
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nitrocellulose lacqure... WTF
I made it. The first time it was poorly nitrated. Second time highly nitrated with only about 5% seen as miniature particals of fibers that were
absorbed into acetone. My question is why the heck isnt it drying clearly? I wasted my time nitrating this crap for a crumbly flaky cloudy finish. I
was expecting it to by translucent and clear.
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Jesse Pinkman
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I'm afraid that you picked up the wrong section of the forum : there is special section for discussion of energetic materials
https://www.sciencemadness.org/whisper/forumdisplay.php?fid=...
so don't be surprised if your thread get moved.
What do you use for nitration - conc.H2SO4/KNO3, oleum/fuming HNO3 or conc.H2SO4/HNO3 ?
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cipi
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Nitric acid and sulfuric acid. 100 ml nitric acid and 250 ml sulfuric acid. I used only 2 cotton balls broken down into small peices. No cooling was
used and nitration continued for two more cotton balls. Im pretty sure i need to filter it but im sure it wont help.
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watson.fawkes
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You're seeing small fiber particles and you
think filtering won't help. Did I get that right?
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TheChemINC
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what concentrations of each acid did you use?
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feacetech
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His acid must be weak
two cotton wool balls and 350 mL of mixed acid!
35:65 70% HNO3 : 98% H2SO4
Cool after mixing
add cotton wool use a glas rod to help saturate
swirl several times over 15+ mins
wash in large volume of water to avoid over heating
neutralise in boiling sodium bicarb
boil in distilled water until pH 7 ish
blot dry several times
quick oven dry (at ur own risk, I will dry for about 5mins in a mositure oven) and desicate or just desicate
I have Nitrated several cotton wall balls with 100 mL
With no unnitrated cotton left over if i dissolve in aectone
[Edited on 13-11-2012 by feacetech]
[Edited on 13-11-2012 by feacetech]
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Nicodem
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Thread Moved
13-11-2012 at 09:08 |
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