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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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