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What to do with a bottle of 60% HF? This is not a toy, but of course you are well aware of it. :-) Don't spill it on anything living, if ... |
21-5-2019 at 01:55 by: Pumukli |
Sulphonation of chlorophenol "⅔ o- ⅓ p- just for geometrical reasons"
I'm almost sure that the ratio will be different, mo ... |
20-5-2019 at 21:34 by: Pumukli |
O-methylation in acid AvBaeyer,
Thanks for the clarification!
Now I have at least a name (Stork) and a keyword (2-na ... |
19-5-2019 at 22:12 by: Pumukli |
O-methylation in acid I have accidentally found something at OrgSyn which really intrigued me and I could not explain. I'm ... |
19-5-2019 at 07:23 by: Pumukli |
Hypothetically drinkable ethanol from methylated spirits Back to the topic: once I tried dissolving NaOH (a few percent) into the stuff and then added a few ... |
17-5-2019 at 03:38 by: Pumukli |
Why can't thionyl chloride be used to chlorinate oxalic acid to oxalyl chloride? First of all I don't know the answer to your question either.
Your negative results are still inf ... |
16-5-2019 at 21:01 by: Pumukli |
Preparation of Diethyl Sulfate Congrats Magpie!
It seems that you really produced something. ![;)](./images/smilies/wink.gif)
Now comes the testing/charact ... |
16-5-2019 at 20:49 by: Pumukli |
Reaction Kinetics My first thought was "iodometry for hypochlorite". But I remember running a very similar reaction (m ... |
16-5-2019 at 12:28 by: Pumukli |
Do we need a separtate forum for lab safety and waste treatment? A bit unrelated, but I second DavidJR's idea on a separate analytical subforum! Sometimes I do class ... |
16-5-2019 at 06:00 by: Pumukli |
Gas pressure/flow regulator Yeah, threads, threads...
I checked with Messergas and they say that (in my country at least)
... |
16-5-2019 at 03:39 by: Pumukli |
Gas pressure/flow regulator Hm, this "thread converter" seems promising!
I'll check the datasheet of the CO2 regulator when I f ... |
16-5-2019 at 02:15 by: Pumukli |
Gas pressure/flow regulator What I found so far (besides used mass flow controllers on Ebay) is CO2 reductors combined with a ne ... |
15-5-2019 at 21:04 by: Pumukli |
Gas pressure/flow regulator Thanks for the info on the regulator weekness!
It seems that I should use a needle valve with eit ... |
15-5-2019 at 10:44 by: Pumukli |
Gas pressure/flow regulator I've been thinking about building a simple gas chromatograph for org.chem analysis.
I'd use N[sub ... |
15-5-2019 at 09:11 by: Pumukli |
Hypothetically drinkable ethanol from methylated spirits In these parts of the globe "methylated spirits" is a misnomer, the actual product doesn't contain m ... |
15-5-2019 at 01:51 by: Pumukli |
Acetamide toxicity The general reactivity of acid-derivatives is: halogenide , anhydridie, ester, amide, nitrile.
Ethy ... |
14-5-2019 at 11:53 by: Pumukli |
ketonic decarboxylation of succinic acid I doubt it.
I never heard about succinic acid as substrate in such reactions. I think adipic acid i ... |
14-5-2019 at 11:43 by: Pumukli |
Acetamide toxicity Yeah, ![:)](./images/smilies/smile.gif)
But there are the "nasties", from which you don't expect anything good. E.g. the polycon ... |
14-5-2019 at 10:28 by: Pumukli |
Chloralose synthesis help You need equal quantities of the reagents. It doesn't necessarily means equal weights! Correction by ... |
14-5-2019 at 09:25 by: Pumukli |
Acetamide toxicity I was very surprised when I first saw in Wikipedia that acetamide (CH[sub]3[/sub]CONH[sub]2[/sub]) i ... |
14-5-2019 at 09:09 by: Pumukli |
Hypothetically drinkable ethanol from methylated spirits Great! Please keep us updated on how well/unwell the process really went! I've been working with MEK ... |
12-5-2019 at 11:25 by: Pumukli |
Septum / thermometer adapter washer What would you use as a septum / thermometer adapter washer replacement? If you can't get a proper r ... |
28-4-2019 at 04:17 by: Pumukli |
Ethanol + Urea --> Ethyl carbamate? Its carcinogenic property may be discovered in 1943 but I do have a pharmaceutical book printed in 1 ... |
28-4-2019 at 02:58 by: Pumukli |
Idea for making haloalkanes from OTC ingredients? 1., It is OK, you can find the actual recipe for making ethylene in various online posted old org. c ... |
24-4-2019 at 21:06 by: Pumukli |
How/where to look for org. chem. data? Thanks for the suggestions!
Getting melting point, boiling point, solubility, etc. data is import ... |
21-4-2019 at 08:17 by: Pumukli |
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