| Search |
| [Next Page] |
Distilled, De-ionised or Tap water?
I'm lucky enough to live in a country with good water quality in an area with soft water and I wonde ... |
24-10-2019 at 01:33
by: RedDwarf |
Change in weight due to the moons gravity.
A quick back of the envelope(literally) calculation gives me a decrease of 3.34 x 10[sup]-6[/sup] %
... |
22-10-2019 at 10:17
by: RedDwarf |
How to clean a separatory funnel?
HF is an excellent solution to getting rid of those bits of glass that are clinging onto dirt 
[E ... |
16-10-2019 at 11:36
by: RedDwarf |
Denominator vs numerator - getting confused on which is which
[rquote=623956&tid=154126&author=Yttrium2] additionally, I'm only at my sharpest for a Max o ... |
3-10-2019 at 17:48
by: RedDwarf |
PET to Terephthalic Acid with Ethaline: 60% yield; 79% conversion
Do you have a cheap/easily available source of Choline Chloride, and are you aware of any DESs that ... |
24-9-2019 at 07:38
by: RedDwarf |
would this sketch feasible to produce raw benzene or pyrolysis gasoline
What you have put together looks like a thermal/steam cracking operation - so breaking large hydroca ... |
24-9-2019 at 07:34
by: RedDwarf |
Chalk composition: CaCO3 vs CaSO4
If you're talking geologically or chemically then chalk is calcium carbonate, but the word chalk is ... |
22-9-2019 at 08:31
by: RedDwarf |
Hotplate voltage and plug shape
Buy one the same voltage as your country, but buying one with a different plug and changing that to ... |
22-9-2019 at 08:11
by: RedDwarf |
Naptha everyone
[rquote=623092&tid=153949&author=Yttrium2]
*(In other words what is Naptha and where does ... |
17-9-2019 at 13:47
by: RedDwarf |
Naptha everyone
Petroleum Ether (which isn't an ether) is a low boiling point range naptha, but most napthas are NOT ... |
17-9-2019 at 05:11
by: RedDwarf |
Budget Microscope - Is this a good option?
It's just a bubble or uncovered area. |
17-9-2019 at 05:08
by: RedDwarf |
Synthesize ethylene glycol diacetate?
[rquote=623059&tid=153970&author=Pumukli]Btw. ethylene glycol is an unhealthy compound. If y ... |
17-9-2019 at 05:05
by: RedDwarf |
Naptha everyone
Yes Naptha is just a convenient term for a petroleum solvent usually defined by it's boiling point r ... |
16-9-2019 at 05:15
by: RedDwarf |
Al catching fire in a cast iron crucible in a kiln?
At one time I used a home made crucible (made of 4mm wall steel pipe with a plate welded onto the en ... |
4-9-2019 at 04:17
by: RedDwarf |
Pump for Condenser and Aspirator
I use a 15W pond pump for my cooling, which gives a good flow. |
4-9-2019 at 04:08
by: RedDwarf |
DIBROMOPROPYL ETHER- £15/200g Ebay UK
I can't believe that Dibromopropyl ether is the correct name for that compound .
Looking it up on ... |
4-9-2019 at 04:04
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
Just to be clear, I'm not suggesting that Graham's law (and hence molecular mass) isn't part of the ... |
29-7-2019 at 13:26
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
My isopropanol / water mixture test didn't turn out as hoped. I left the mixture in the flask at roo ... |
29-7-2019 at 12:41
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
[rquote=619102&tid=152456&author=rockyit98]it not the size that matter its the molecular wei ... |
29-7-2019 at 12:27
by: RedDwarf |
Ideas/Request for a Reaction Chamber
How about a flat bottomed borosilicate test tube such as:
https://www.ebay.co.uk/itm/Culture-Tes ... |
29-7-2019 at 12:11
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
[rquote=619035&tid=152456&author=Abromination]
Do you know the concentration of ethanol b ... |
28-7-2019 at 14:02
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
Last night's trial with the wine didn't work as the seams between the tape leaked with a water/alcoh ... |
28-7-2019 at 11:43
by: RedDwarf |
Making ice in winter to cool the house in summer
This used to be all the rage back in the 1800s, landed gentry used to have an ice house in the groun ... |
28-7-2019 at 11:26
by: RedDwarf |
Concentrating H2SO4 without distillation (with flask ans some PTFE )
Without the fume cupboard I'm trying a less corrosive solvent mix (2017 Plum wine), ethanol is a sma ... |
27-7-2019 at 12:57
by: RedDwarf |
Free Oertling R20 Balance (200g x 0.1mg) Aylesbury UK
I'd be interested but unfortunately Aylesbury is just too far. Could you try and ensure that in futu ... |
27-7-2019 at 10:48
by: RedDwarf |
| [Next Page] |
