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Success: Pressure from pirani gauge: Inficon PSG500
[rquote=633203&tid=155083&author=monolithic][rquote=633172&tid=155083&author=Heptyle ...
27-3-2020 at 09:25
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
Ah yes, the Ostwald process! Have you had any developments in the last year? You project looked well ...
26-3-2020 at 17:33
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
I've been looking at some dual stage rotary vane pumps recently, hoping to reach 10[sup]-3[/sup] mba ...
26-3-2020 at 13:03
by: Heptylene
Success: Pressure from pirani gauge: Inficon PSG500
Up to now I've been measuring pressure in the lab using a classic manometer ("Bourdon gauge"). While ...
26-3-2020 at 09:16
by: Heptylene
SO2 from S8 and H2SO4
Doesn't sodium metabisulfite decompose when heated? (To sodium sulfite and sulfur dioxide) Wikipedia ...
24-3-2020 at 14:29
by: Heptylene
Catalyst & rare chemicals for sale (40% discount from Sigma or Ficscher pricing)
So you were making benzodiazepines and meth in your legal lab?
22-3-2020 at 06:31
by: Heptylene
Ika-combimag ret stirring problems
I can't really help much, I like electronics but I don't know enough to do help with repairs myself ...
20-3-2020 at 01:49
by: Heptylene
Looking for platinum wire
I got some Pt + 6% Rh thermocouple wire from ebay a while ago. It was sold at the spot price of the ...
19-3-2020 at 09:27
by: Heptylene
Need ideas for experiments and chemistry project
You could try some copper chemistry. Make copper sulfate by electrolysis in dilute sulfuric acid wit ...
17-3-2020 at 09:21
by: Heptylene
Distinguishing plastics without analysis?
It could also be polystyrene or PET. If you can afford to destroy one, try smashing it. It it shatte ...
15-3-2020 at 06:51
by: Heptylene
Prices of Palladium and Rhodium have SKYROCKETED - here's what I see happening.
The price of rhodium is absolutely nuts! One the other hand, platinum is really low right now (770 ...
12-3-2020 at 15:42
by: Heptylene
Original Jack Roberts compounds
[rquote=632421&tid=155003&author=phlogiston]The label on the ampoule with the 14C-labeled co ...
10-3-2020 at 17:02
by: Heptylene
Original Jack Roberts compounds
Incredibly cool find! Do you know how old they are approximately?

And one of them is apparently l ...
10-3-2020 at 13:03
by: Heptylene
How lucky am I ?
[rquote=632330&tid=155004&author=Sulaiman]
(the balance is for scale only)
[/rquote]

I ...
9-3-2020 at 13:09
by: Heptylene
hydrochloric acid titration results
Reminds me of a time in a lab I was working at where the "32 %" HCl from a 5 liter jug wasn't behavi ...
1-3-2020 at 02:31
by: Heptylene
Easy to obtain standards for titrations and other analytical methods
Sulfamic acid can be used as a primary standard. See attached pdf for a purification procedure
29-2-2020 at 02:37
by: Heptylene
Need help to purify silver nitrate
To cool slowly you can use a large hot water bath and but your beaker of AgNO3 solution in the bath. ...
29-2-2020 at 02:26
by: Heptylene
Need to get water out of denatured ethanol
Maybe you could use plaster of paris? Very cheap and shoud get some water out of the ethanol. The pl ...
27-2-2020 at 14:24
by: Heptylene
Reverse osmosis through shirt fabric?
[rquote=631564&tid=154931&author=Metacelsus]Shirt fabric can't be used for reverse osmosis, ...
25-2-2020 at 01:35
by: Heptylene
Reverse osmosis through shirt fabric?
I saw [url=https://www.youtube.com/watch?v=oh2KcQc_PGM]this video[/url] on youtube about a guy who r ...
24-2-2020 at 13:23
by: Heptylene
Lead distillation
Even with an electrochemical method, say electroplating the lead from an electrode to another and as ...
22-2-2020 at 16:20
by: Heptylene
An assortment of fluorescent pyridine copper iodides
Wow really nice work! Some look really gorgeous like the isoquinoline and 3,5-dichloropyridine ones. ...
19-2-2020 at 14:16
by: Heptylene
Prices of Palladium and Rhodium have SKYROCKETED - here's what I see happening.
Hmm, I guess I'll never have rhodium in my collection then, or not for a few years at least... $350 ...
15-2-2020 at 02:24
by: Heptylene
Decided to join the YouTube game
Great video, you should definitely make more!
15-2-2020 at 02:11
by: Heptylene
Is it cheaper to buy or make hot plate magnetic stirrers?
It's not worth the time and money to build one from scratch. If you have the knowledge to do so, you ...
12-2-2020 at 07:23
by: Heptylene
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