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latest glassware purchase
5000ml 3-neck rbf. |
28-4-2020 at 12:06
by: Refinery |
TCCA purification, strange things happen
I had to leave the proximity due to my eyes burning. So, something was there. |
28-4-2020 at 10:52
by: Refinery |
TCCA purification, strange things happen
It appears to me that Al and Cu sulphate do not interfere with the reaction, hence the other brand t ... |
27-4-2020 at 22:46
by: Refinery |
TCCA purification, strange things happen
I have TCCA that has 50-75% of it and 25-50% of NaCO3.
I attempted to purify it by powdering the ... |
27-4-2020 at 12:16
by: Refinery |
Latest chemical order?
Not necessarily on this topic, but is it forbidden to trade stuff on this forum or request any speci ... |
26-4-2020 at 08:03
by: Refinery |
What is generally legal or illegal in Germany/EU?
In where I live, a personal business title can be obtained with less than 100 bucks worth by only su ... |
26-4-2020 at 07:59
by: Refinery |
Silica gel catalyst - differences and reuse
I need silica gel for isomerization. The specific paper does not state requirements for silica gel, ... |
26-4-2020 at 07:06
by: Refinery |
Preparation of cyanides
Could this process work:
urea + sodium hydroxide + carbon in a furnace heated to reaction temp to ... |
10-10-2019 at 13:27
by: Refinery |
Purification of E85 fuel to drinking alcohol
For making feedstock ethanol for chemistry I think easiest way is to add 5-10g/L of NaOH into windsh ... |
3-8-2016 at 12:24
by: Refinery |
Purification of E85 fuel to drinking alcohol
I don't know about this talk about impossibility of removing methanol via fractional distillation. P ... |
14-7-2016 at 12:19
by: Refinery |
The Short Questions Thread (4)
Only way to find it out is to test it, then. |
10-7-2016 at 23:23
by: Refinery |
Purification of E85 fuel to drinking alcohol
Turbo variation yeasts tend to produce off-tastes so much that they are difficult to remove even wit ... |
10-7-2016 at 23:23
by: Refinery |
The Short Questions Thread (4)
Can 2% MEK in ethanol be polymerized or otherwise converted to a more stable form for ethanol purifi ... |
10-7-2016 at 10:51
by: Refinery |
Purification of E85 fuel to drinking alcohol
One cleaning alcohol contains 2% MEK. Other topic states that it polymerizes with NaOH. Is this the ... |
10-7-2016 at 10:43
by: Refinery |
Purification of E85 fuel to drinking alcohol
Probably not everyone has got a fractional distillation apparatus. The effort purifying it is next t ... |
10-7-2016 at 08:27
by: Refinery |
Purification of E85 fuel to drinking alcohol
I would like to perform a test for E85 out of academic interest on this. I would first separate the ... |
10-7-2016 at 06:37
by: Refinery |
Purification of E85 fuel to drinking alcohol
Do you guys even read the post other than its title? It seems that people just look "oh, another den ... |
10-7-2016 at 04:34
by: Refinery |
Purification of E85 fuel to drinking alcohol
E85 is a fuel solution containing 85% of anhydrous ethanol and balance of hydrocarbons. Considering ... |
10-7-2016 at 02:39
by: Refinery |
Equipment for fractional distillation - Vigreux vs "cracking tower" setup
I havent seen any commercial setups for active reflux distillation but that is what I prefer because ... |
10-5-2016 at 23:48
by: Refinery |
Arkoma attempts 95% azeotropic EtOH
Last year I used to distill 92-95% EtOH with 2" stainless steel wool packed active reflux still so i ... |
8-5-2016 at 05:20
by: Refinery |
Silver electrolysis purification
Nitric acid is currently banned in EU area so I was thinking alternative routes. If must, I will mak ... |
8-5-2016 at 05:08
by: Refinery |
Silver electrolysis purification
Do I need silver nitrate as electrolyte or can I use copper nitrate as well since it is much cheaper ... |
4-5-2016 at 14:36
by: Refinery |
Making Calcium Chloride,and anhydrous
Vacuum desiccate it? Sub-millibar vacuum with hot water bath should do the job. Calcium nitrate can ... |
22-9-2014 at 01:18
by: Refinery |
Calcium Oxide from sea shells
Calcium hydroxide decomposes to oxide at 550-600C, while calcium carbonate needs 850-900C, but pract ... |
20-9-2014 at 14:05
by: Refinery |
Making Calcium Chloride,and anhydrous
Can you not dry the calcium nitrate by heating? Being decently pure, it begins to decompose at 650C ... |
20-9-2014 at 13:58
by: Refinery |
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