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calcium carbonate and potassium sulfate reaction!? Are you sure the stuff you've got are pure? Even if they contained traces of acids, the carbonate co ... |
26-11-2020 at 08:10 by: Fyndium |
Respirator recommendations I use scott promask with ABEK-P filter. It just filters everything I have exposed to so far. I repla ... |
26-11-2020 at 02:07 by: Fyndium |
Fume hood motor Might be unadvisable, but I use duct fans that cannabis growers use. I have 500 and 1000m3 models ma ... |
26-11-2020 at 02:04 by: Fyndium |
Styrene to Acetophenone I was wondering don't they sell styrene as a glass fiber resin solvent there? I can buy it by the ga ... |
26-11-2020 at 01:59 by: Fyndium |
**FAILURE**Differential Solubility: Separate Sand and Sucrose I use platters to evaporate and dry stuff. A fan is most helpful. I have placed a small styrofoam bo ... |
22-11-2020 at 12:30 by: Fyndium |
Synthetic procedures in research papers? In general, how elaborate are the synthetic procedures stated in research papers? Are they just gene ... |
22-11-2020 at 11:47 by: Fyndium |
Desiccating hygroscopic stuff moist with ethanol? I haven't bothered yet to get a bag of CaCl2 to my home lab, but may reconsider it eventually. It co ... |
22-11-2020 at 10:43 by: Fyndium |
Desiccating hygroscopic stuff moist with ethanol? Then it's easy because it's been sitting in CaCl2 desiccator for few hours now, and shall remain so. ... |
21-11-2020 at 12:39 by: Fyndium |
Desiccating hygroscopic stuff moist with ethanol? I rinsed a solid with ethanol to both crash it out from water, extract it from the RBF to filter it, ... |
21-11-2020 at 12:23 by: Fyndium |
Glassware PLUS joints? The only PLUS that comes in mind could be when cashing out their bonuses.
I do agree that some ve ... |
20-11-2020 at 13:25 by: Fyndium |
External heating for bath to allow use of magstir? I forgot to mention overhead stirring indeed. I have two PTFE paddle foldable stirrers, but not actu ... |
20-11-2020 at 13:21 by: Fyndium |
Preparation of cyanides I'm still yet not sure if NaOH is better option as sodium source than Na2CO3. If there will be no ca ... |
20-11-2020 at 13:09 by: Fyndium |
External heating for bath to allow use of magstir? How could I employ a larger heating bath with more heating capacity than what is achievable with ord ... |
20-11-2020 at 11:41 by: Fyndium |
Pretty Pictures (2) I dug up my good old heating bath, and found that half of the liquor had crystallized into fancy for ... |
20-11-2020 at 10:53 by: Fyndium |
Testing for KCN Chemplayer used a mixture of iron(III)chloride and iron(II)sulfate to indicate a cyanide presence. I ... |
20-11-2020 at 05:20 by: Fyndium |
Are hexane and petroleum ether interchangeable? I see. There is a reason why hexane and pet's aren't used as solvents in any synthesis writeups desp ... |
19-11-2020 at 13:43 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid I successfully vac'ed the BzH. I got total yield of pure distillate from crude synthesis product in ... |
19-11-2020 at 06:32 by: Fyndium |
Are hexane and petroleum ether interchangeable? How useful are hexanes, pet ether and similar hydrocarbons in biphasic extractions compared to tolue ... |
19-11-2020 at 02:45 by: Fyndium |
Preparation of cyanides The sodium carbonate, urea and carbon process is well reckoned here. There was mention that it has s ... |
19-11-2020 at 02:31 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid This article appears interesting:
https://doi.org/10.1039/JR9600003932
It studies pyrolysis of ... |
18-11-2020 at 05:32 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid Wait a minute. There are two sources that state BzH has -26(Sigma, Britannica) or -54C(wiki, chem si ... |
17-11-2020 at 06:01 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid Adduct is an option to separate it really pure, yes, I gave a thought for that and got bisulfite at ... |
16-11-2020 at 16:44 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid I prepared another batch, which is 205 grams from 250g of BnOH, after washing twice with saturated N ... |
16-11-2020 at 16:02 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid Absolutely I will. I should have time to do further processing during next week so I know better.
... |
14-11-2020 at 03:01 by: Fyndium |
Benzaldehyde synthesis using aqueous nitric acid I replicated the Tom's Lab method by the book and got 26.3g yield of crude BzH from 31.5mL of BnOH. ... |
13-11-2020 at 14:16 by: Fyndium |
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