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Taste of sugar alcohols
[rquote=649905&tid=156589&author=mackolol]

Food grade is low grade as for chemical in cas ...
27-11-2020 at 05:12
by: unionised
Brominating granules containing mostly Sodium Dichloro-S-Triazinetrione
[rquote=649883&tid=156596&author=SuperOxide]

2) [b]Is there any reason I can't separate t ...
26-11-2020 at 11:11
by: unionised
calcium carbonate and potassium sulfate reaction!?
Eggshells are remarkably porous. It's possible that most of the gas you saw was air.

It would be ...
26-11-2020 at 09:34
by: unionised
Balance repair
That circuit is a bit scary, but most of it is irrelevant.

25-11-2020 at 12:40
by: unionised
Balance repair
Part 3

[file]84717[/file]
25-11-2020 at 12:37
by: unionised
Balance repair
The diagram is a stupid shape; it needed 3 pictures

[file]84715[/file]
25-11-2020 at 12:34
by: unionised
Balance repair
Let's see if I can get the pictures to upload.


[file]84713[/file]
25-11-2020 at 12:26
by: unionised
Balance repair
You don't need to build a power supply with that precision.
You use a feedback loop to hold the bea ...
24-11-2020 at 15:10
by: unionised
Highest Sodium Hypochlorite Concentration that can be made SAFELY ?
29.2% what?
https://en.wikipedia.org/wiki/Percent_active_chlorine
24-11-2020 at 10:19
by: unionised
Taste of sugar alcohols
Methanol is reported to taste sweet as are lead++ and beryllium++ ions.

You might be interested i ...
24-11-2020 at 05:14
by: unionised
Glass syringe needles?
You can get long teflon needles. They are not cheap, but they have the "proper" luer fitting.
23-11-2020 at 10:02
by: unionised
Balance repair
Some while ago... I used to work with a rather old (1975) microbalance which used this principle.
I ...
22-11-2020 at 13:03
by: unionised
Balance repair
"Looking the attached it appears that the way these are worked is that a chopped supply is fed to th ...
22-11-2020 at 12:50
by: unionised
**FAILURE**Differential Solubility: Separate Sand and Sucrose
One simple way to avoid overheating was established some time ago.
Heat the material on a steam bat ...
22-11-2020 at 12:45
by: unionised
Desiccating hygroscopic stuff moist with ethanol?
[rquote=649589&tid=156574&author=Fyndium]

If I heat the desiccant later to regenerate it, ...
22-11-2020 at 10:33
by: unionised
Curcumin Extraction Solvents
[rquote=649609&tid=23936&author=zed]Stuff it in a painful dental cavity. Then repeat your r ...
22-11-2020 at 09:31
by: unionised
Curcumin Extraction Solvents
[rquote=649607&tid=23936&author=zed]

It isn't "nothing". [/rquote]
Yes it is.

"No do ...
22-11-2020 at 06:41
by: unionised
Curcumin Extraction Solvents
Has anyone tried aqueous alkali as a solvent?
21-11-2020 at 10:19
by: unionised
Neon yellow precipitate from electrical contacts
Is there any chloride present?
CuCl will form if there's excess copper. It is white,but gets "stain ...
21-11-2020 at 06:08
by: unionised
Best Allround Gasmask for Laboratory use in the Year 2020 ?
https://en.wikipedia.org/wiki/Hierarchy_of_hazard_controls

Using a gas mask routinely is admittin ...
19-11-2020 at 11:41
by: unionised
Balance repair
[rquote=649369&tid=90891&author=yobbo II]


https://patents.google.com/patent/US201301611 ...
19-11-2020 at 06:14
by: unionised
Balance repair
I suspect that, as Sulaiman has suggested, the"phototransistor" is actually two photodiodes in the s ...
16-11-2020 at 05:30
by: unionised
Does methanol smell like anything to you?
[rquote=649076&tid=156525&author=Tsjerk]Better don't drink grape brandy if you are scared of ...
15-11-2020 at 13:13
by: unionised
Free radical bromination on only the terminal ends of hexane
Theoretically, imagine you mixed 2 moles of HBr and a mole of hexane and heated it until the HBr sta ...
15-11-2020 at 11:48
by: unionised
Does methanol smell like anything to you?
To me, methanol has a weak odour, likethat of ethanol, but not nearly as strong, and definitely dist ...
13-11-2020 at 06:16
by: unionised
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