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Acetonitrile form Ammonium acetate
Can polyphosphoric acid be used to dehydrate acetamide. |
9-11-2008 at 05:47
by: mechem |
liquid liquid seperation
Hi kute
Why do you say don't use ethers. |
31-10-2008 at 05:58
by: mechem |
300 deg/C oil bath
Does anyone have any experiences of heating Zinc chloride, which melts at 275-C and does not have th ... |
24-10-2008 at 05:53
by: mechem |
PRESSURE IN A SEALED VESSEL PROBLEM
IF 1-LITER OF WATER IS HEATED TO 300 DEG-C INSIDE A 2-LITER CAPACITY SEALED VESSEL WHAT PRESSURE WOU ... |
13-10-2008 at 10:21
by: mechem |
300 deg/C oil bath
Forgot to mention I need a bath with about 3 to 4 liters of fluid, expense is also an issue otherwis ... |
7-10-2008 at 13:23
by: mechem |
300 deg/C oil bath
Hi
Does anyone have any ideas on what substance/liquid could be used in an oil bath, maintained at ... |
7-10-2008 at 12:50
by: mechem |
Ireland
Try www.surpluschemicalstore.com they accept paypal |
18-4-2008 at 09:25
by: mechem |
anhydrous calcium chloride
Would it not stay at the dihydrate at 175C |
17-4-2008 at 15:43
by: mechem |
anhydrous calcium chloride
I have some calcium chloride hexahydrate but need to convert it to a good anhydrous desiccant, as f ... |
17-4-2008 at 13:14
by: mechem |
In Search of NaBH4
Di-n-Butyltin Oxide Not that useful |
16-4-2008 at 09:09
by: mechem |
In Search of NaBH4
Not cheap with the strength of the euro, but do you have more details or a website. Thanks |
15-4-2008 at 12:03
by: mechem |
In Search of NaBH4
Pyro chemicals are amongst the easiest to obtain in the Uk, just take a look at our ebay KNO3 is ver ... |
15-4-2008 at 10:40
by: mechem |
In Search of NaBH4
Individuals ordering chemicals in Europe or the US it is quite regulated. Off coarse you can always ... |
15-4-2008 at 09:05
by: mechem |
In Search of NaBH4
Has anyone tried ordering from China, suppliers usually require rather large minimum orders but can ... |
15-4-2008 at 04:00
by: mechem |
Formylation of 4-MeO-phenol with Mg(MeO)2 : Synthesis of m-vanilline
Hi
Nice pictures, looks like the 2-hydroxy-5-methoxybenzaldehyde needs vacuum distillation though. ... |
5-4-2008 at 15:14
by: mechem |
Vacuum pump oil
Thank you guys, just for future ref. I bought an old vacuum pump single stage without any oil in it. ... |
31-3-2008 at 06:11
by: mechem |
Vacuum pump oil
Can someone tell me the difference between vacuum pump oil and car engine oil. How much of a differe ... |
30-3-2008 at 17:52
by: mechem |
The Chemical Closet
Don't know about the chemical closet, prob just a con, just look at the Phenylacetic Acid they are s ... |
22-3-2008 at 16:30
by: mechem |
Lithium Al Hydride quick question
Put a bit in ether, did not seem to dissolve even after 10-15 min/stir, added a bit of water as gara ... |
22-3-2008 at 15:17
by: mechem |
Lithium Al Hydride quick question
I was recently given a small BDH plastic bottle of reagent LAH. The bottle is quite old in appearanc ... |
21-3-2008 at 12:51
by: mechem |
Reduced iron powder question
Thanks not_important, does the iron form around the cathode and then needs to be scraped off. In ord ... |
1-3-2008 at 10:38
by: mechem |
Reduced iron powder question
As I do not have any cast iron powder either, any idea how it is made electrolytically. Would it be ... |
1-3-2008 at 08:22
by: mechem |
Reduced iron powder question
Hi
Some organic synthesis require reduced iron powder. Is there any practical way of making reduced ... |
29-2-2008 at 15:58
by: mechem |
4-methoxyphenol syn using hydroquinone methyl iodide
Klute, just read you extract the black oil with DCM which I think would leave behind any unreacted H ... |
26-1-2008 at 07:08
by: mechem |
4-methoxyphenol syn using hydroquinone methyl iodide
Thanks guys you have sent me in a totally different direction which looks really easy. Klute althoug ... |
26-1-2008 at 06:36
by: mechem |
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