| Search |
| [Next Page] |
Diluting Ethanol to 95% (Azeotropic)
[rquote=601799&tid=144035&author=DavidJR]According to my calculations, 1 litre of 92% v/v et ... |
14-2-2019 at 11:24
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
I have a different experience in my practice.
When I start with say 1 000 mL of 92% ABV ethanol a ... |
13-2-2019 at 04:54
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
Yes but drying all the way to anhydrous requires more sieves (over 20 grams of sieves per gram of wa ... |
13-2-2019 at 04:07
by: nimgoldman |
Preparation of nitroethane
[quote]
For the silver is not a problem, but the ethyl iodide is. In the US red phosphorus is hard ... |
12-2-2019 at 22:49
by: nimgoldman |
Dichloromethane
I never had issues with DCM storage even during a hot summer (I use glass reagent bottle with and AB ... |
12-2-2019 at 20:15
by: nimgoldman |
Failed nitro-aldol reaction. Possible cause and fix?
Having finally made about 40 mL of nitroethane, I couldn't resist the temptation to try the Henry re ... |
12-2-2019 at 20:06
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
I see.
I should have stated the question differently: How to get "standard" 95% ethanol, provided ... |
12-2-2019 at 19:34
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
Yes temperature has been checked and one of the scales (the 0.01g one) has been recently calibrated ... |
8-2-2019 at 22:20
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
I make the ethanol from sugar wash (white sugar with Alcotec Turbo Yeast 23%). After fermentation, I ... |
7-2-2019 at 15:26
by: nimgoldman |
Diluting Ethanol to 95% (Azeotropic)
Since ethanol I am able to obtain by distillation is only up to 92% ABV, I dry the alcohol to >95 ... |
7-2-2019 at 10:12
by: nimgoldman |
Silver nitrate producing chlorine smell and yellowing plastic
[rquote=597691&tid=141287&author=ninhydric1]NOx and Cl2, from my experience, have similar od ... |
2-2-2019 at 02:21
by: nimgoldman |
Silver nitrate producing chlorine smell and yellowing plastic
Yes I observed the supersaturation - even when leaving the beaker to cool down on its own, the solut ... |
1-2-2019 at 18:37
by: nimgoldman |
Silver nitrate producing chlorine smell and yellowing plastic
I left my freshly made silver nitrate crystals in a vacuum desiccator for three weeks away from ligh ... |
1-2-2019 at 15:32
by: nimgoldman |
Replacing ice blocks with brine bottles?
Thanks, Sulaiman. I forgot that melting ice takes up so much heat.
Yes some kind of reusable clos ... |
1-1-2019 at 11:00
by: nimgoldman |
Replacing ice blocks with brine bottles?
I usually fill about a dozen tupperware boxes with water and let them freeze to provide a coolant fo ... |
29-12-2018 at 04:40
by: nimgoldman |
Silver nitrate giving off HCl ??
I've made silver nitrate the common way (dissolving silver metal in conc. nitric acid).
Once most ... |
10-12-2018 at 10:20
by: nimgoldman |
Recovering Silver from Silver Bromide
Okay after several test tube experiments, I found that AgBr dissolves in nitric acid!
I thought i ... |
7-12-2018 at 03:24
by: nimgoldman |
Ammonia Generation
To improve gas absorbtion, you want the inlet tube to go to the bottom of the solution. Note that am ... |
4-12-2018 at 17:28
by: nimgoldman |
Using reflux condenser in a distillation column?
I am researching alcohol stills so that I can translate any of the design features into a glassware ... |
2-12-2018 at 08:07
by: nimgoldman |
Storing HNO3 (corrosion)
[rquote=553531&tid=103896&author=Sulaiman]I think that threads should not be wrapped in ptfe ... |
20-11-2018 at 14:17
by: nimgoldman |
My 2 neck flask is broken :(
I feel for you.
I have melted one 3-neck flask when drying molecular sieves under vacuum using a ... |
18-11-2018 at 11:55
by: nimgoldman |
Very low yield of nitroethane
[rquote=553734&tid=104971&author=morganbw]Why do you feel that ethyl nitrite would not be pr ... |
18-11-2018 at 11:52
by: nimgoldman |
Very low yield of nitroethane
[rquote=553580&tid=104971&author=S.C. Wack]IMHO the ideal solvent would be ethyl iodide. The ... |
16-11-2018 at 18:33
by: nimgoldman |
Very low yield of nitroethane
I found my ethanol is only 98%, it still should have drying capability but I am not sure if the litt ... |
16-11-2018 at 15:56
by: nimgoldman |
Very low yield of nitroethane
[rquote=553506&tid=104971&author=Tsjerk]Start by running it for a couple of days. I don't se ... |
16-11-2018 at 12:14
by: nimgoldman |
| [Next Page] |
