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SO2 from S8 and H2SO4
[rquote=633030&tid=155061&author=Sigmatropic]I
Same for a sulfur candle, requires a gas w ... |
25-3-2020 at 09:55
by: pneumatician |
A L I E N , D N A
DNA? who need DNA? 
https://www.youtube.com/results?search_query=red+rain+in+kerala
https:// ... |
12-3-2020 at 14:01
by: pneumatician |
Elemental Mercury from cinnabar
[rquote=588662&tid=131436&author=S.C. Wack]See it's true it's lucky stuff.
I wonder how t ... |
12-3-2020 at 09:59
by: pneumatician |
Emergency substitutes for bleach and rubbing alcohol?
NaClO2 is used to kill "all" pathogens in blood donations, operating rooms, tap water... look the MM ... |
6-3-2020 at 17:37
by: pneumatician |
Need to get water out of denatured ethanol
from Pop-Sci mag:
has anyone tried it?
[file]79764[/file]
I known another method with incr ... |
6-3-2020 at 17:18
by: pneumatician |
Emergency substitutes for bleach and rubbing alcohol?
sodium chlorite? |
6-3-2020 at 16:43
by: pneumatician |
locusts elimination
Every year I read articles like this:
https://www.scmp.com/news/china/society/article/3064637/c ... |
3-3-2020 at 18:17
by: pneumatician |
Removing coating in photo lenses
this sound promising but at this moment I only want to work with films like orthocromatic film, blue ... |
17-12-2019 at 10:26
by: pneumatician |
potasium carbonate crystallized like this?
[rquote=627638&tid=154546&author=Ubya]there's no need to put a watermark on that blurry phot ... |
12-12-2019 at 15:40
by: pneumatician |
Removing coating in photo lenses
[rquote=627629&tid=154499&author=Sulaiman]You could consider a pinhole camera ?
https://en. ... |
12-12-2019 at 15:36
by: pneumatician |
Removing coating in photo lenses
[rquote=627215&tid=154499&author=Sulaiman]I have zero experience of uv photoghraphy but I'm ... |
8-12-2019 at 11:42
by: pneumatician |
Removing coating in photo lenses
[rquote=627195&tid=154499&author=G-Coupled]Interesting - can you get some cheapo modern 35mm ... |
8-12-2019 at 11:29
by: pneumatician |
potasium carbonate crystallized like this?
someone get this crystallized from K2CO3???
[Edited on 8-12-2019 by pneumatician]
[fi ... |
8-12-2019 at 10:42
by: pneumatician |
Removing coating in photo lenses
the coating block near all UV light, so obviously I want to capture some in this range of vibration. ... |
30-11-2019 at 11:39
by: pneumatician |
Removing coating in photo lenses
Hi, I think with HCL is enought to remove the optical coating in photo lenses. Any info, real practi ... |
28-11-2019 at 18:14
by: pneumatician |
(Successfully) Ordering from Sigma Aldrich in the UK
the web site is out of service for some days now...
Refer Scientific is kaput? |
24-11-2019 at 10:09
by: pneumatician |
Olive Trees
well I think I've a passive method to save the olive trees, if you have 1 million € free of taxes ... |
19-10-2019 at 15:36
by: pneumatician |
How to kill or at least repel or block ants?
the simple method is if the nest is in a wall... put cement, silicone... stopping the hole and end o ... |
19-10-2019 at 13:47
by: pneumatician |
Separating terpenes dissolved in ethanol from solution?
Separating oil from lemon peels from water??? anise oil???
I think you are crazy mixing ethanol a ... |
17-10-2019 at 16:01
by: pneumatician |
How to clean a separatory funnel?
in some place I read a guy mixing nitric and hydrofluoric and this make the glass clear like pure ai ... |
16-10-2019 at 10:09
by: pneumatician |
Distillation of animal products?
you can see a pic of mine in pretty pictures, I say "plant extract" or something like this but in re ... |
16-10-2019 at 10:00
by: pneumatician |
best alkali reistant material
[rquote=612518&tid=149835&author=SWIM]
No, I didn't try to sell any flask for $1000.
I h ... |
14-5-2019 at 14:14
by: pneumatician |
best alkali reistant material
[rquote=612417&tid=149835&author=Sulaiman]Is a flask shape necessary ?
- if so then you may ... |
13-5-2019 at 19:00
by: pneumatician |
best alkali reistant material
[rquote=612094&tid=149835&author=Tsjerk]How mechanically stable is silver plated on glass? I ... |
13-5-2019 at 18:53
by: pneumatician |
best alkali reistant material
[rquote=612084&tid=149835&author=SWIM]Nickel, silver and copper work fairly well too.
Somew ... |
13-5-2019 at 18:49
by: pneumatician |
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