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Why are rhubarb leaves poisonous but not spinach?
I have seen issues with iron contamination in commercial ice melt grade calcium chloride. That may ...
11-7-2021 at 16:30
by: digga
Most toxic compound OTC?
The toxic effects of acetaminophen are amplified by ethanol. If you imbibe, don't keep it around.
16-4-2021 at 15:32
by: digga
Activating metals post-addition
I have seen people use a tiny amount of iodine or a mercury salt to remove passivation in situ. Wou ...
14-4-2021 at 06:00
by: digga
Phthalic acid from ZnO + DMF + Napthalene
I for one would be glad to see that write-up.
4-4-2021 at 18:59
by: digga
Distillation of Ethylene Glycol from Antifreeze Toubleshooting
Use a short distillation path and insulate with aluminum foil. Watch out for the foam monster.
2-4-2021 at 16:33
by: digga
Attempting anhydrous ethanol with CaO
Tapioca. It is used industrially to dry ethanol.
22-3-2021 at 16:44
by: digga
PLS GUIDE THIS AMATEUR CHEMIST
Acetic acid and calcium carbonate yields calcium acetate.
Calcium acetate can be pyrolyzed to aceto ...
17-3-2021 at 13:02
by: digga
Isopropyl Salicylate
So I went and did what I suggested. I packed the column with anhydrous Mg[sub]2[/sub]SO[sub]4[/sub] ...
3-3-2021 at 20:01
by: digga
Isopropyl Salicylate
Question: Did you use 100% isopropanol? Le Chattelier's principle is at the core of esterificati ...
2-3-2021 at 13:34
by: digga
Making a lab stand/rack setup - what is a good design?
I did the 1/2" black metal pipe uprights setting on a plywood base. WARNING!!! Your clamps may not ...
2-3-2021 at 12:56
by: digga
Joining metal vessels to ground glass?
I punched a hole in paint can lid, inserted the male fitting of the glass in the hole and then putti ...
22-2-2021 at 21:21
by: digga
Drying methanol
I used the OrgSyn procedure for making Dimethyl Oxalate, which involved mixing dehydrated Oxalic Aci ...
20-2-2021 at 17:18
by: digga
Drying methanol
Yes, it produces some Magnesium Methoxide which hydrolyzes to the insoluble and gelatinous hydroxide ...
16-2-2021 at 11:32
by: digga
Drying methanol
Having decided to do a Fisher Esterification making dimethyl oxalate, I found myself in need of some ...
15-2-2021 at 16:16
by: digga
Ethylene Glycol from Antifreeze
That takes all the fun out of ether prep. You never know if some peroxide has sublimed its way into ...
21-1-2021 at 17:03
by: digga
Ethylene Glycol from Antifreeze
For short money I got a gallon of no-name undiluted antifreeze from Wal-Mart. Set up a multi-neck 5 ...
21-1-2021 at 14:51
by: digga
Fitting a Ground Glass Joint to a Steel Plate
I have used a paint can lid with a 14/20 male to 24/40 female adapter. I punched a hole in the midd ...
27-10-2018 at 10:10
by: digga
Salicylic Acid from Northen Willow Bark
Technical-grade salicylic acid obtained from the Kolbe-Schmitt process is already extremely pure: sa ...
22-10-2018 at 10:21
by: digga
Salicylic Acid from Northen Willow Bark
Please consider sublimation of the crude product. The Wikipedia entry states that salicylic acid su ...
22-10-2018 at 07:57
by: digga
Benzene synthesis
[rquote=536457&tid=325&author=digga]I took the three combined runs of raw orange benzene, wa ...
4-10-2018 at 10:26
by: digga
Amateur Chemistry now vs several decades ago
It is way harder now. My dad actually got me Nitric and Sulfuric acids at the drugstore! Their onl ...
2-10-2018 at 13:24
by: digga
Benzene synthesis
[rquote=536522&tid=325&author=S.C. Wack]Biphenyl...go back 14 years...the lowest heat is bes ...
19-9-2018 at 07:26
by: digga
Benzene synthesis
I took the three combined runs of raw orange benzene, washed them with distilled water and dried the ...
18-9-2018 at 08:52
by: digga
Nitric Acid and Silver Nitrate
A useful link for relating the percentage of Nitric Acid by weight from density and temperature:

...
14-9-2018 at 05:36
by: digga
Benzene synthesis
Did a third run. I have been able to reuse the same 1 quart paint can each time. The NAON/Sodium B ...
5-9-2018 at 10:28
by: digga
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