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Extraction of gallic acid
I tried a few times to hydrolise tannic acid to gallic acid - I kept getting stuck with a tarry mass ...
14-11-2018 at 19:12
by: ahill
Having trouble making silver nitrate
I'm sure you could. I dont think re-crystallisation is a normal part of this procedure.

Letting t ...
29-3-2017 at 19:28
by: ahill
Having trouble making silver nitrate

Why do you doubt the powder is silver nitrate ?

Silver nitrate is insoluble in concentrated nit ...
28-3-2017 at 16:22
by: ahill
how to get make a nitrogen atmosphere?
I needed to exclude oxygen for some experiments I did with tannic acid - I used argon from a bottle ...
14-3-2017 at 18:55
by: ahill
the dollop and the toxic lady of riverside
Perhaps - but it doesnt explain how she was lethally toxic to casual exposure, without being immedia ...
14-3-2017 at 14:47
by: ahill
the dollop and the toxic lady of riverside
[url=https://en.wikipedia.org/wiki/Gloria_Ramirez]Gloria Ramirez[/url], 'The toxic lady of Riverside ...
13-3-2017 at 18:51
by: ahill
Concentrating ethanol without distillation
yeah - that (separating into layers) doesn't work.

Freezing does.

Freeze till it gets slushy, ...
23-2-2017 at 22:14
by: ahill
polypropylene caps for conc. H2SO4/HNO3
Thanks for the link Peter - these look like just the thing.

Now I have just got to find someone t ...
11-12-2016 at 22:32
by: ahill
Hygroscopicity
I've just made some cobalt nitrate and cobalt chloride from pottery shop cobalt carbonate, and have ...
6-12-2016 at 15:55
by: ahill
2 different buchner funnels. please help
I actually broke my glass frit buchner last night - (I am still in morning) and I will definitely be ...
6-12-2016 at 15:37
by: ahill
Opinion on lab table
I think epoxy is the surface of choice - here is AU the hardware stores carry pour-on epoxy for benc ...
29-11-2016 at 18:55
by: ahill
polypropylene caps for conc. H2SO4/HNO3
I keep a bit of conc. H2SO4 and HNO3 around - I am not super happy with my acid bottles (ground glas ...
29-11-2016 at 18:43
by: ahill
sodium nitrate from potassium nitrate
Hey Sulaiman - you are probably right - I probably can use Potassium Nitrate. I am suddenly interest ...
25-10-2016 at 05:02
by: ahill
sodium nitrate from potassium nitrate
I need some sodium nitrate - the only nitrate I have is potassium nitrate.

The only route I can ...
24-10-2016 at 21:14
by: ahill
rungoodlabs.com legit or no?
Yep - used them several times - both as rungood and kenicals. Yes superficially they seem do kind of ...
2-10-2016 at 00:02
by: ahill
Temperature for sodium acetate and bisulfate reaction?
..I finally got around to weighing my acid - (thanks for the table zwt) - I only had 13ml left - and ...
1-10-2016 at 17:50
by: ahill
Molecular sieves - care and feeding
I dont have any experience with molecular sieves - but the other day I ordered some 3A zeolite mole ...
11-9-2016 at 03:48
by: ahill
Removal of sticky stuff
Vegetable oil.

This is definitely a "Life pro tip".

Olive - peanut - whatever - its great for ...
6-9-2016 at 17:51
by: ahill
Temperature for sodium acetate and bisulfate reaction?
..in retrospect, I dont know that my sodium hydrogen sulphate is anhydrous - it is swimming pool con ...
7-8-2016 at 15:29
by: ahill
Temperature for sodium acetate and bisulfate reaction?
GDay ZeulMos,

The reaction gets going at the melting point of sodium hydrogen sulphate .. 58.5C ( ...
4-8-2016 at 22:54
by: ahill
Red Cabbage pH juice - can it be stored?
I kept mine in an airtight jar with about 30% isopropyl alcohol.

I used it intermittently over 4 ...
24-5-2016 at 15:16
by: ahill
banggood.com
banggood are great. (for what they are)

If you are looking for fine quality - this is not it - if ...
19-5-2016 at 22:50
by: ahill
How do I seal a glass ampoule in inert atmosphere?
I've just been doing a bit of this myself - and am pretty pleased with the technique I came up with ...
9-2-2016 at 02:58
by: ahill
Ethanol in Australia
..lately I've been using Spirytus Rektyfikowany.

..bit expensive, and 5% water, but readily avail ...
16-12-2015 at 17:02
by: ahill
heptane in Oz ?
[quote]I think you mean starter fluid; lighter fluid is usually petroleum distillates.[/quote]


...
4-12-2015 at 00:26
by: ahill
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