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Where to buy carbonate esters (UK/EU)
[rquote=545001&tid=98687&author=clearly_not_atara]Dimethyl carbonate is supposedly a VOC com ...
19-10-2018 at 15:18
by: DavidJR
Where to buy carbonate esters (UK/EU)
Does anyone have any good sources for carbonate esters in the UK/EU? None of my usual suppliers have ...
19-10-2018 at 02:51
by: DavidJR
Selling Some PCl5 (±250g)
If you want oxalyl chloride, you could just use the PCl[sub]5[/sub] to prepare it from oxalic acid?
18-10-2018 at 04:29
by: DavidJR
Bad days in the lab or with glassware?
[rquote=544451&tid=24908&author=Sulaiman]
I consider it unwise to use the O-ring type ther ...
17-10-2018 at 14:30
by: DavidJR
Anyone need Acetic Anhydride 100% pure. CAS#108-24-7
Nothing is ever 100% pure.
17-10-2018 at 14:25
by: DavidJR
P2O5
I bought some recently from Limac.
17-10-2018 at 14:22
by: DavidJR
Community/Chemistry-friendly Video Hosting Site
[rquote=544240&tid=82348&author=streety]Would you be willing to name and shame? Sounds like ...
16-10-2018 at 14:03
by: DavidJR
Hydrogen Embrittlement - when to worry about it
[rquote=544188&tid=97572&author=zed]Ummm. You are working at pressures that require gauges. ...
16-10-2018 at 12:34
by: DavidJR
latest glassware purchase
[rquote=543996&tid=71645&author=j_sum1]Well the advantage in my view is the option to rechar ...
16-10-2018 at 04:41
by: DavidJR
Any secrets to keeping a frit from getting clogged?
[rquote=543917&tid=97845&author=beerwiz]If you want to filter something that you will later ...
16-10-2018 at 04:12
by: DavidJR
Community/Chemistry-friendly Video Hosting Site
[rquote=542751&tid=82348&author=JJay]smvideo.djr.pw has been down for the past week or so. D ...
16-10-2018 at 03:43
by: DavidJR
Hydrogen Embrittlement - when to worry about it
This is also known as HTHA: high temperature hydrogen attack. It is a function of the partial pressu ...
14-10-2018 at 03:50
by: DavidJR
HP (Agilent) 1050 - HPLC
[rquote=542666&tid=84340&author=phlogiston]Before you had the HP software, how were you prog ...
13-10-2018 at 11:17
by: DavidJR
Cheap Chemicals and apparatus for sale
Atom Scientific / APC Pure (same UK company, different websites with different pricing and catalogue ...
13-10-2018 at 01:17
by: DavidJR
How to maintain 0C Cooling Bath for 12 hours?
If the reaction is exothermic a fridge or freezer may not be able to cope. Remember what a fridge is ...
12-10-2018 at 04:30
by: DavidJR
HP (Agilent) 1050 - HPLC
[rquote=542430&tid=84340&author=unionised]I always wondered what would happen if you tried v ...
10-10-2018 at 12:30
by: DavidJR
HP (Agilent) 1050 - HPLC
Main ongoing issue was enormous ghost peaks from mobile phase impurities. My own attempts at purifyi ...
10-10-2018 at 04:55
by: DavidJR
Weird White film on measuring cylinder
Yeah limonene isn't great with plastics in general
4-10-2018 at 07:36
by: DavidJR
At what concentration is sulphuric acid hygroscopic ?
[rquote=540223&tid=95477&author=Sulaiman]How is the 10% arrived at ?

what variables are i ...
3-10-2018 at 04:30
by: DavidJR
HPLC Waters Alliance
Nice! Welcome to the HPLC club. I recently got a HP 1050 setup.

You will find that high water qua ...
2-10-2018 at 06:37
by: DavidJR
Fractionating colums and application...
I have a couple of nice 55cm columns packed with stainless steel scourers which work pretty well.
...
28-9-2018 at 05:52
by: DavidJR
Everyday Chemistry (provisional)
[rquote=537818&tid=84298&author=JJay]
Oh and I've been purifying solvents all weekend.
[/ ...
24-9-2018 at 12:42
by: DavidJR
HP (Agilent) 1050 - HPLC
The HP 82350 GPIB/PCI card arrived today - I now have the chemstation software fully working.
22-9-2018 at 15:15
by: DavidJR
HP (Agilent) 1050 - HPLC
I'm no longer using the DIY DAQ device as I've managed to obtain a copy of HP Chemstation.

I hav ...
19-9-2018 at 08:41
by: DavidJR
Any ideas to passivate stainless steel against chlorine?
Is there a reason you can't just use PTFE tubing directly without a SS outer layer?
19-9-2018 at 01:58
by: DavidJR
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