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Building an open source hot plate stirrer - feature requests!
[rquote=471294&tid=71217&author=mux]That is an excellent point. Hmm... Obviously, there will ... |
8-1-2017 at 16:30
by: wg48 |
Mixing liquid into resin
The polymerisation (setting) of many resins is inhibited by air, moisture , alkalinity and acidity a ... |
8-1-2017 at 10:39
by: wg48 |
Removing non water contaminants from alcohols
Yes if you have a small lab/workshop and you don't want your tools to rust. |
5-1-2017 at 10:04
by: wg48 |
cheap 500ml 3-neck eBay UK
Mine arrived today too. Packed very well so they were intact.
No obvious faults and the ground jo ... |
5-1-2017 at 09:50
by: wg48 |
What kind of adhesive can I use to heal a crack in glasswear?
[rquote=470409&tid=71495&author=unionised]Long version:
That will only work safely if you h ... |
30-12-2016 at 14:20
by: wg48 |
What kind of adhesive can I use to heal a crack in glasswear?
As union suggests the crack cannot be healed (fixed) except perhaps by a glass blower and then only ... |
30-12-2016 at 10:15
by: wg48 |
Use of MnO2
[rquote=469875&tid=71379&author=violet sin]Interesting microwave results, but it has me wond ... |
26-12-2016 at 17:52
by: wg48 |
Use of MnO2
While drying washed used battery gunk in a domestic microwave oven I discovered it absorbs microwave ... |
23-12-2016 at 19:00
by: wg48 |
Synthesis of t-nitrosobutane (w/ pictures)
[rquote=469684&tid=71363&author=unionised][rquote=469677&tid=71363&author=wg48]...
... |
21-12-2016 at 13:20
by: wg48 |
How to adjust reflux ratio ?
I agree ideally the heated jacket temperature (not the internal column temperature) can be controlle ... |
21-12-2016 at 11:00
by: wg48 |
Synthesis of t-nitrosobutane (w/ pictures)
That’s a spectacular synthesis. I love strong colour changes its gives me confidence in the reacti ... |
21-12-2016 at 09:38
by: wg48 |
How to adjust reflux ratio ?
I think it depends on the level of reflux versus the heat loss of the column.
So for example if t ... |
21-12-2016 at 08:38
by: wg48 |
EU seller , HNO3, HF etc. via eBay
I was curious as to what the penalties are for possession of a regulated substance without a licence ... |
21-12-2016 at 07:15
by: wg48 |
Proper Use of Thermocouple
Unionised and the others are almost totally correct. For modern electronics with high input imedanc ... |
18-12-2016 at 17:42
by: wg48 |
Making a really HOT electric resistance furnace
Unfortunately even if the reflector is 100% reflective, perfectly focused on to all sides of the tar ... |
18-12-2016 at 05:38
by: wg48 |
anhydrous ethanol, etoh, anhydrous alchohol, calcium oxide, quicklime, methanol?
[rquote=469142&tid=1348&author=beerwiz]The best OTC way to dry ethanol or methanol is using ... |
14-12-2016 at 18:52
by: wg48 |
The Best Way to Reflux a Solid
The recommended solvent is a none aromatic high boiling point paraffin type solvent.
Experimenter ... |
14-12-2016 at 07:31
by: wg48 |
PID controller for electrolysis
[rquote=468673&tid=66555&author=Jstuyfzand]
He mentions a nickel anofe situated in the ba ... |
10-12-2016 at 16:22
by: wg48 |
PID controller for electrolysis
Apparently the reaction of the aluminium with the NaOH is not very rapid. Perhaps its limited by i ... |
10-12-2016 at 09:04
by: wg48 |
PID controller for electrolysis
[rquote=468593&tid=66555&author=Jstuyfzand]
Len1 made an incredible cell, but looking on yo ... |
9-12-2016 at 16:33
by: wg48 |
Reclaimation of H2O from steam engine/turbine - phase change energy
Bert: Well I would be happy to crawl in to one perhaps just once. I was a train spotter way back wh ... |
5-12-2016 at 10:52
by: wg48 |
Reclaimation of H2O from steam engine/turbine - phase change energy
Here is pic of the heat exchanger used to boil the water in a locomotive.
The heat exchanger is ... |
5-12-2016 at 06:49
by: wg48 |
Measuring very high temperature
careysub:
Looking at your calculation and mine I noticed some errors, My detector subtends an ang ... |
4-12-2016 at 14:20
by: wg48 |
Measuring very high temperature
[rquote=468037&tid=70724&author=careysub]One meter seems excessive. If you mount the sensor ... |
3-12-2016 at 04:08
by: wg48 |
is there a place to get a high heat thermometer?
I guess you are referring to a liquid in glass thermometer. The alcohol in glass thermometers are li ... |
2-12-2016 at 09:37
by: wg48 |
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