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Preventing Pipette cross contamination
The traditional approach is to fix a test tube to the side of the reagent bottle with electrical tap ... |
27-5-2023 at 07:47
by: unionised |
Fluorescence/phosphorescence questions.
[rquote=684342&tid=159560&author=Neal]
I would also not include complex organic molecules. ... |
21-5-2023 at 23:50
by: unionised |
Fluorescence/phosphorescence questions.
[rquote=684362&tid=159560&author=Keras]To me, phosphorescence is linked to a chemical reacti ... |
21-5-2023 at 23:46
by: unionised |
Fluorescence/phosphorescence questions.
[rquote=684276&tid=159560&author=Neal]]
So, there's basically no pattern, to compounds that ... |
19-5-2023 at 09:21
by: unionised |
Spectrophotometer Recommendations
Your best hope is to find someone selling the whole system- the PC, spectrometer and software.
Even ... |
18-5-2023 at 07:13
by: unionised |
Reconditioning old hydraulic oil.
Re. "But talking seriously. How to prevent oxidation while boiling?"
Not an issue in a vaccum. |
18-5-2023 at 03:23
by: unionised |
Reconditioning old hydraulic oil.
The deeply unhelpful answer is that, if you want to really get the oil back to its original conditio ... |
17-5-2023 at 12:57
by: unionised |
Recovering caesium carbonate from caesium bicarbonate
Bicarbonates decompose on heating to form carbonates. |
17-5-2023 at 11:24
by: unionised |
Finding percentage of tin in leaded tin solder
[rquote=683960&tid=159539&author=Romix] Remember in the first years of COVID pandemic gram o ... |
12-5-2023 at 23:53
by: unionised |
Ascorbic acid smell when boiled with chlorate
A green little chemist
On a green little day
Mixed some green little chemicals
In a green little ... |
10-5-2023 at 02:31
by: unionised |
Looking for an ionic salt that is good for soil
[rquote=683799&tid=159542&author=Sulaiman]This (thought) experiment would only require the e ... |
6-5-2023 at 01:29
by: unionised |
Looking for an ionic salt that is good for soil
[rquote=683796&tid=159542&author=violet sin]What about a few Kg of BB or bearing tossed in t ... |
6-5-2023 at 01:28
by: unionised |
Looking for an ionic salt that is good for soil
I had a look at a hydroponics page to see how much stuff plants actually "want" in solution.
Here ... |
5-5-2023 at 09:59
by: unionised |
Finding percentage of tin in leaded tin solder
Sell the solder, as such, to a scrap dealer.
Rejoice and spend your money.
If you want to know w ... |
4-5-2023 at 10:24
by: unionised |
Porcelain crucible and molten KOH
Interesting aspect of stainless steel; chromium will dissolve in hot alkali if there's oxygen presen ... |
30-4-2023 at 03:27
by: unionised |
Wire glue
[rquote=683468&tid=159505&author=Johanson]Unionized,
1. The heat? use a proper heat sink w ... |
27-4-2023 at 11:36
by: unionised |
Do PGMs react with hot NaOH solution ?
Cu, Ag and Au are, if you need a name for them, the coinage metals.
If you take a compound of Au or ... |
26-4-2023 at 23:41
by: unionised |
Wire glue
[rquote=683458&tid=159505&author=Johanson]"Can anyone comment?"
My comment: It just looks ... |
24-4-2023 at 23:47
by: unionised |
But WHY is concentrated sulfuric acid such a strong dehydrating agent?
In principle, all reactions are reversible, but some go a lot nearer to completion than others.
One ... |
18-4-2023 at 10:02
by: unionised |
Did I ruin my digital vacuum gauge?
What sort of sensor does the gauge use?
Is it calibrated for air or for water vapour? |
12-4-2023 at 04:23
by: unionised |
Extracting decay products from uranium ore
I think treatment with Na2CO3 solution a few times will work better.
Ba(OH)2 is quite soluble, and ... |
12-4-2023 at 04:14
by: unionised |
Can somebody explain why this happens? Capacitor discharge through a piece of foil shatters a ceramic tile
[rquote=683088&tid=159460&author=Beezwax]
Tremendous temperature and speed but very little ... |
8-4-2023 at 00:05
by: unionised |
Can somebody explain why this happens? Capacitor discharge through a piece of foil shatters a ceramic tile
[rquote=683039&tid=159460&author=Beezwax]
Compression strength ceramic tile : 20,000 psi
... |
7-4-2023 at 12:05
by: unionised |
Can somebody explain why this happens? Capacitor discharge through a piece of foil shatters a ceramic tile
[rquote=683029&tid=159460&author=Beezwax]
But they simply don't have enough mass to shat ... |
7-4-2023 at 01:03
by: unionised |
Can somebody explain why this happens? Capacitor discharge through a piece of foil shatters a ceramic tile
The likely explanation is simply the shockwave caused by the boiling of the foil.
But the reaction ... |
6-4-2023 at 02:03
by: unionised |
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