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Chloroform Production Optimization, part 1
4 gallon jugs containing 3785 mL of 6% store brand bleach were purchased and chilled to 5 C. For eac ... |
12-11-2018 at 06:39
by: JJay |
Vacuum Aspirator Problems
When I bought mine, it was called a "copper" aspirator instead of a Humbolt aspirator. It seems to b ... |
12-11-2018 at 00:01
by: JJay |
Vacuum Aspirator Problems
I'm having issues with that same aspirator at the moment... I've used it successfully in the past to ... |
11-11-2018 at 16:19
by: JJay |
Everyday Chemistry
I knew for a fact that the alcohol thermometer was low quality and gave inaccurate temperature readi ... |
5-11-2018 at 08:11
by: JJay |
Group buys for anhydrous AlCl3, dibromomethane, n-bromobutane, TEMPO
That is a good price for TEMPO... I'm going to have to think about it.... |
5-11-2018 at 06:48
by: JJay |
Everyday Chemistry
Today I calibrated my thermometers and found that my mercury thermometer is accurate at around freez ... |
4-11-2018 at 15:53
by: JJay |
Chromium Revisited
I believe it is also used in thermite boosters, especially for chromium trioxide thermites. It is ea ... |
3-11-2018 at 21:57
by: JJay |
Latest chemical order?
A gallon (3.78 L) of 34% hydrogen peroxide.
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3-11-2018 at 20:17
by: JJay |
Loose ground glass?
Some sort of lubricant is required to get ground glass joints to hold a strong vacuum. I don't usual ... |
31-10-2018 at 23:45
by: JJay |
Loose ground glass?
I have heard of others running into this problem, but I have not. I can usually get ground glass joi ... |
31-10-2018 at 18:18
by: JJay |
3D printing Fluropolymer Lab Equipment
It looks quite good in terms of corrosion resistance, but the melting point is only 260 C.... it wou ... |
31-10-2018 at 15:18
by: JJay |
Latest chemical order?
I replenished some stocks of chemicals and also ordered two new ones: inositol and tryptophan.
I ... |
28-10-2018 at 23:25
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
Those Virtis freeze dry flask flanges do look like they could work well with a flange in the right s ... |
28-10-2018 at 19:27
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
For sulfuric acid resistance, you could probably use a lead gasket, but lead melts at around 325 C a ... |
28-10-2018 at 08:26
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
[rquote=547258&tid=100197&author=Elrik]I've toyed with the idea of attaching ground glass to ... |
27-10-2018 at 12:56
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
I would like to use a small steel drum with standard taper glassware, up to 3-4 pieces at a time. I' ... |
27-10-2018 at 04:10
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
[rquote=547123&tid=100197&author=OldNubbins]I believe ground glass tapers are 1:10 which is ... |
26-10-2018 at 21:38
by: JJay |
Everyday Chemistry
I made some nitric acid out of a sulfuric acid solution that had been sitting around for almost a mo ... |
26-10-2018 at 20:55
by: JJay |
Fitting a Ground Glass Joint to a Steel Plate
Has anyone ever managed to fit standard taper glassware to a steel plate?
I have been trying to c ... |
26-10-2018 at 18:01
by: JJay |
Sodium Ethyl Sulfate Report
Very low. |
25-10-2018 at 11:24
by: JJay |
Sodium Ethyl Sulfate Report
Recrystalization from water by evaporation (you can use a water bath). Methanol/ether and ethanol ha ... |
25-10-2018 at 08:18
by: JJay |
Sodium Ethyl Sulfate Report
[rquote=546565&tid=99405&author=VSEPR_VOID]The mp came back good. It got gooey at about 40 C ... |
25-10-2018 at 03:27
by: JJay |
Sodium Ethyl Sulfate Report
[rquote=546489&tid=99405&author=nimgoldman]Thanks for the writeup. I will try this method to ... |
24-10-2018 at 19:26
by: JJay |
Sodium Ethyl Sulfate Report
That's basically just plagiarized from a really old and quite erroneous procedure on potassium ethyl ... |
24-10-2018 at 19:20
by: JJay |
Sodium Ethyl Sulfate Report
Check the melting point and the specific gravity of a saturated solution. It should be clear when me ... |
23-10-2018 at 21:02
by: JJay |
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