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vanillin stain for tlc Heres the recipe I use:
Vanillin (24 g), acetic acid (10 mL), sulfuric acid (15 mL), ethanol (375 ... |
7-10-2016 at 01:37 by: DJF90 |
Preparation of Succinic Acid Thats a good result, Magpie. I assume you'll be attempting the reaction again once the catalyst has ... |
3-10-2016 at 14:12 by: DJF90 |
Preparation of Succinic Acid A couple of quick points. Its good to see you've used ethanol as solvent as its much safer around Pd ... |
3-10-2016 at 04:15 by: DJF90 |
Chemistry brain teasers! Noob Competition! [rquote=459275&tid=68617&author=Sulaiman]
Going backwards I get 22.3855 l/mole at 'STP' ? ... |
29-8-2016 at 05:05 by: DJF90 |
preparation of hydrazine hydrate You never cease to amaze, Magpie! Couldn't believe my eyes when I saw the copper rbf. Was that a cus ... |
21-8-2016 at 14:33 by: DJF90 |
The road to methyl anthranilate [rquote=458199&tid=67739&author=byko3y]Any links to Fe/FeCl3 route? [/rquote]
This was th ... |
19-8-2016 at 07:56 by: DJF90 |
The road to methyl anthranilate You don't need to use Sn/HCl for the reduction step. From o-nitrobenzoic acid, form the ester and do ... |
19-8-2016 at 01:36 by: DJF90 |
Grubs II removal in presence of Michael acceptor There was a recent OPRD paper where they detail scalable methods for removal of ruthenium after meta ... |
8-8-2016 at 03:59 by: DJF90 |
NMR service for hire -community thoughts, questions, concerns. I routinely aquire 1H and 19F spectra on 3 mg samples. For a 13C spectum you're talking more like 20 ... |
31-7-2016 at 14:13 by: DJF90 |
This stuff is eating my lab It could also be vapours coming from the fridge below the cabinet (assuming you store chems in there ... |
27-7-2016 at 05:28 by: DJF90 |
Mercury nitrate Not difficult to check wikipedia: http://en.m.wikipedia.org/wiki/Mercury(I)_nitrate
Looks like th ... |
8-7-2016 at 15:15 by: DJF90 |
High pressure Wacker O2 generator/RV Why does the oxygen need to be pressurised? Wacker oxidations will usually run at atmospheric pressu ... |
8-7-2016 at 14:40 by: DJF90 |
Scored a fridge freezer! Don't store flammables in a fridge/freezer not designed for that purpose, even in secondary containm ... |
3-7-2016 at 14:08 by: DJF90 |
Looking for thoughts on my product ideas! These things already exist, you're just trying to make them for less than they are typically sold.
... |
29-6-2016 at 13:19 by: DJF90 |
preparation of α-nitronaphthalene Sorry for the long delay - I've been meaning to comment on this for while now but haven't had the op ... |
28-6-2016 at 12:13 by: DJF90 |
order of N,N-dimethylaniline What do you want the dimethylaniline for? Perhaps there is an alternative reagent/solvent you could ... |
24-6-2016 at 07:52 by: DJF90 |
Useful newb learning experiments Yep, thats the one. Find articles that interest you and request them in the references section here ... |
22-6-2016 at 06:24 by: DJF90 |
Useful newb learning experiments Maybe you could look through J. Chem. Ed? |
22-6-2016 at 05:29 by: DJF90 |
Bottling hcl gas? [rquote=452126&tid=66466&author=DraconicAcid][rquote=451976&tid=66466&author=careysu ... |
18-6-2016 at 03:19 by: DJF90 |
Purifying Copper Sulphate [rquote=452021&tid=66535&author=aga][rquote=452020&tid=66535&author=DJF90]
This is ... |
16-6-2016 at 12:50 by: DJF90 |
Purifying Copper Sulphate [rquote=452014&tid=66535&author=aga]
By the morning you will get a large crop of [b]small[/ ... |
16-6-2016 at 12:12 by: DJF90 |
Purifying Copper Sulphate There is a sentence in a book that I've read that has stuck with me to this day, and it goes a littl ... |
14-6-2016 at 13:51 by: DJF90 |
Bubbling HCl gas into water - bubbles not absorbing Thats not HCl gas that you've got, but air that has expanded from the heated flask |
12-6-2016 at 13:24 by: DJF90 |
Free Bromine from Hydrobromic acid synth I would suggest passing a little sulfur dioxide through the solution, or adding a pinch of (red) pho ... |
11-6-2016 at 04:28 by: DJF90 |
alpha aminoacids One of the common methods is Strecker synthesis, whereby an aldehyde is treated with an ammonia sour ... |
26-5-2016 at 13:17 by: DJF90 |
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