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Failed Henry reaction with 3,4,5-TMB
Ok it just seems like a bit too much gaa was used
10-7-2020 at 18:46
by: draculic acid69
DIY Centrifuge?

Don't sell the hills hoist short.
They were all over US suburbs in the 60s and 70s too.

Some h ...
10-7-2020 at 17:36
by: draculic acid69
Failed Henry reaction with 3,4,5-TMB
Try it with out gaa.
10-7-2020 at 17:26
by: draculic acid69
18K Gold sould I drop it in aqua regia.
I reckon it was just plated or filled gold. If plated there wouldn't be much but if it's rolled gold ...
10-7-2020 at 07:25
by: draculic acid69
Societal collapse: What do you think would be most needed?
Firstly everyone needs to watch "the last man on earth". It's never been more relevant.
Once you ge ...
10-7-2020 at 06:41
by: draculic acid69
18K Gold sould I drop it in aqua regia.
[rquote=640272&tid=155751&author=Herr Haber][rquote=640161&tid=155751&author=draculi ...
10-7-2020 at 06:11
by: draculic acid69
18K Gold sould I drop it in aqua regia.
They won't do a hardness test with an xrf. It'll be the xrf and that's it or they'll do hardness or ...
9-7-2020 at 22:42
by: draculic acid69
18K Gold sould I drop it in aqua regia.
Did they do an xrf test?
9-7-2020 at 22:16
by: draculic acid69
ZnCl2 + Al -> AlCl3 troubles... again
Can u dry the ingredients first? It's a definite requirement for forming water sensitive compounds.d ...
9-7-2020 at 22:12
by: draculic acid69
DIY Centrifuge?
In Australia we used to have hills hoist.it has a hand crank halfway up the middle pole.
One could ...
9-7-2020 at 21:56
by: draculic acid69
OTC glacial acetic acid need help
[rquote=491080&tid=75811&author=XeonTheMGPony]FAILURE!

After siting for several weeks ove ...
9-7-2020 at 17:41
by: draculic acid69
DIY Centrifuge?


I laughed at the PRECAUTIONS section :)
[quote] ....if possible use a protective shield, ex: a ...
9-7-2020 at 17:26
by: draculic acid69
successful method for purifying anthranilic acid(quick report)
So is this just a recrystallization of the aa straight out of the reaction of hypohalite and pthalim ...
9-7-2020 at 17:09
by: draculic acid69
Super simple sulfuric acid from bisulfate->pyrosulfate->hydrolysis?
[rquote=640220&tid=155753&author=plastics]941 Celsius - reaction complete

[/rquote]

W ...
9-7-2020 at 17:01
by: draculic acid69
18K Gold sould I drop it in aqua regia.
[rquote=640189&tid=155751&author=outer_limits]Rich guy from Dubai with a cross on his neck? ...
9-7-2020 at 16:58
by: draculic acid69
Super simple sulfuric acid from bisulfate->pyrosulfate->hydrolysis?
[rquote=640205&tid=155753&author=Junk_Enginerd]I've read some discussions here about trying ...
9-7-2020 at 16:55
by: draculic acid69
DIY Centrifuge?
[rquote=187400&tid=14472&author=ScienceSquirrel][quote]
I've seen some designs on-line but ...
9-7-2020 at 05:24
by: draculic acid69
18K Gold sould I drop it in aqua regia.
I'd say it's plated or filled gold. It seems a little too yellow to me. Let us know about any xrf re ...
8-7-2020 at 20:47
by: draculic acid69
18K Gold sould I drop it in aqua regia.
https://www.liveauctionworld.com/GOLD-TONE-POKER-RING_i34069884
https://www.letgo.com/en-ca/i/mens- ...
8-7-2020 at 20:15
by: draculic acid69
18K Gold sould I drop it in aqua regia.
What's it say above the cross? And what is on the ring? Is it poker? The two rings seem to go togeth ...
8-7-2020 at 20:00
by: draculic acid69
18K Gold sould I drop it in aqua regia.
Pictures?
8-7-2020 at 18:27
by: draculic acid69
18K Gold sould I drop it in aqua regia.
That used to be an effective way to determine if it's fake but now instead of iron they use tungsten ...
8-7-2020 at 17:45
by: draculic acid69
18K Gold sould I drop it in aqua regia.
Before you do anything go to a pawn shop or cash for gold place that uses xrf testing.the scratch te ...
8-7-2020 at 17:32
by: draculic acid69
Preventing flowback without inverse funnel trap or extra container?
[rquote=640019&tid=155734&author=Refinery]PP check valves are a good option.

If you're in ...
6-7-2020 at 20:36
by: draculic acid69
Synthesis of propanoic acid from methyl ethyl ketone via haloform reaction. Questions.
Calcium hypochlorite for mek is the best option.it can be done more concentrated than the naocl.

[E ...
6-7-2020 at 20:31
by: draculic acid69
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