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How to clamp large flasks?
Thank god to VPN for circumventing the great european gdpr firewall.
Anyway, those supports for f ... |
31-3-2021 at 03:44
by: Fyndium |
That is one heavy ring finger
Synthetic diamonds are much likely a lot less expensive to manufacture than natural, as they have la ... |
29-3-2021 at 07:36
by: Fyndium |
That is one heavy ring finger
This is typical newspeak of climate business. In the logic that you don't buy their competitor's pro ... |
29-3-2021 at 06:17
by: Fyndium |
Making a scrubber to clean NO2 gas from vacuum distillation of HNO3
A lot of toxic gases require venting it directly outdoors either via duct ventilation or through a l ... |
29-3-2021 at 01:24
by: Fyndium |
24/40, 24/29, 29/32, what is the best?
One useful info first:
- 29/32 and 29/42 are usually always interchangeable. Only some very tight ... |
29-3-2021 at 01:15
by: Fyndium |
Nitrifying Bacteria Reactor for Generating Nitrate Salts
Could you, instead of pissing off yourself, your friends and relatives in a barrel, use just straigh ... |
29-3-2021 at 00:58
by: Fyndium |
Peroxide Concerns - Please Help
How big of a blast we are talking about here?
If I really had to open a questionable bottle I can ... |
29-3-2021 at 00:52
by: Fyndium |
Condenser overpowering and joint size?
I got half a dozen of condensers, and I don't buy anymore other than min 3 neck flasks, except if I ... |
29-3-2021 at 00:45
by: Fyndium |
Freezing point depression by impurities?
It's not 99% pure, it very likely contains at least a little of the lower fraction as I did not use ... |
29-3-2021 at 00:43
by: Fyndium |
calcium benzoate dry distillation safety
I have never been worried about combustion inside a vessel, no matter what heat source I'm using, be ... |
28-3-2021 at 02:16
by: Fyndium |
Condenser overpowering and joint size?
I'm purely looking here for a protection against any too vigorous reaction conditions. Whenever poss ... |
27-3-2021 at 22:46
by: Fyndium |
Quickly drying mineral oil or storing sodium without mineral oil?
The stuff that's supposed to be administered on or in humans, usually contains trace amounts of stuf ... |
27-3-2021 at 11:39
by: Fyndium |
calcium benzoate dry distillation safety
If the flask is closed, it cannot burn. Many things are handled above their autoignition points prot ... |
27-3-2021 at 10:58
by: Fyndium |
Quickly drying mineral oil or storing sodium without mineral oil?
Strange. The ones that are not for baby treatment, are practically straight paraffin oils without an ... |
27-3-2021 at 09:23
by: Fyndium |
Quickly drying mineral oil or storing sodium without mineral oil?
You order oil from special chemical supplier?
Mineral oil, or paraffin oil is sold in every super ... |
27-3-2021 at 07:16
by: Fyndium |
Freezing point depression by impurities?
That's why I noted the agitation, I shaked the bottle, but nothing happened. This always freezes any ... |
27-3-2021 at 05:59
by: Fyndium |
Condenser overpowering and joint size?
Actually, anti-geysir trap could be made from chromatography reservoir. For larger vessels it's a li ... |
27-3-2021 at 05:31
by: Fyndium |
Freezing point depression by impurities?
Strange. I got a compound that should freeze at approx -17, but it remains crystal clear at -30C and ... |
27-3-2021 at 04:58
by: Fyndium |
Freezing point depression by impurities?
How big of an effect does impurities have on freezing point? Can even minor contamination of solvent ... |
27-3-2021 at 00:28
by: Fyndium |
Making a scrubber to clean NO2 gas from vacuum distillation of HNO3
Of course you cannot use inverted funnel with vacuum, unless you have some very special equipment, l ... |
26-3-2021 at 01:22
by: Fyndium |
Correct position of thermometer in Claisen adapter
What is said above is what I agree with.
The very specific position is not super-accurate, unless ... |
26-3-2021 at 01:10
by: Fyndium |
Using enormous excess of solvents for extractions?
Not sure if this is part of the topic, but I constantly get different readings from boiler and still ... |
26-3-2021 at 01:02
by: Fyndium |
Condenser overpowering and joint size?
It was actually 2-liter flask I have got both of these issues. First one I solved by using water bat ... |
26-3-2021 at 00:59
by: Fyndium |
Correct position of thermometer in Claisen adapter
It's a matter of degree or less, but the bottom should be at takeoff level.
I torched one thermow ... |
25-3-2021 at 14:55
by: Fyndium |
Condenser overpowering and joint size?
The soxhlets have very narrow reflux gate, much smaller than 24* joint. |
25-3-2021 at 14:52
by: Fyndium |
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