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No longer available otc in Australia
I've seen 50 percent h2o2 in hydroponics stores in aus, but I've always been suspicious of it given ... |
30-9-2022 at 19:35
by: Mesa |
Best way to measure a milliliter?
Best as in most accurate? or most efficient? I thought there was going to be more to this than the t ... |
30-9-2022 at 18:23
by: Mesa |
Lab reagent challenge
It's really taking my previous comment to it's logical conclusion.
Irrational sure, but who eve ... |
23-11-2019 at 05:14
by: Mesa |
Lab reagent challenge
Picking up from your H2SO4:
Make nickel sulfate from nickel oxide and sulphuric acid.
Melt iron ... |
22-11-2019 at 21:42
by: Mesa |
Lab reagent challenge
Should we assume limitless access to equipment, with the only restriction being the starting reagent ... |
22-11-2019 at 21:14
by: Mesa |
DMT extraction.
Mechanical loses from high volumes of liquid would be the primary factor affecting yield I'd imagine ... |
21-11-2019 at 23:43
by: Mesa |
Tungsten metal plus piranha solution?
Likely some kind of peroxo tungstic acid such as described [url=https://books.google.com.au/books?id ... |
21-11-2019 at 23:29
by: Mesa |
When first starting a home lab, do you recommend following videos from nile red/chemplayer/nurdrage, or vogel's?
Why not both? I learned from books/forums for the first year or so, and picked up one or two bad ha ... |
15-11-2019 at 02:18
by: Mesa |
Tungsten metal plus piranha solution?
Try adding a few drops of HCl. |
14-11-2019 at 20:59
by: Mesa |
Troubleshooting Zn/HCl reduction of nitrostyrenes
I'd guess that your product will be significantly less pure with a solvent extraction compared to di ... |
14-11-2019 at 13:53
by: Mesa |
Troubleshooting Zn/HCl reduction of nitrostyrenes
Are you trying to remove residual benzaldehyde with the bisulfite wash? I don't see how that'd be e ... |
14-11-2019 at 06:08
by: Mesa |
Suppliers List
Speaking of edibles... I found a hidden gem a few months ago www.melbournefooddepot.com.
Lots of ... |
14-11-2019 at 04:46
by: Mesa |
Tungsten metal plus piranha solution?
The solution will precipitate out WO3 over time. I'm not sure what the dissolved species is, except ... |
14-11-2019 at 04:40
by: Mesa |
Tungsten metal plus piranha solution?
You could probably just dissolve the ash in conc. NaOH to get sodium tungstate and whatever Na produ ... |
8-11-2019 at 15:53
by: Mesa |
Suppliers List
Some oceania entries for wiki:
Auschems.com(not auschem. They don't sell to public) is good for in ... |
8-11-2019 at 13:25
by: Mesa |
Tungsten metal plus piranha solution?
Fastest/easiest way to dissolve W... Make a thermite-like rxn with NaOH or KOH and dissolve the resu ... |
8-11-2019 at 05:27
by: Mesa |
Mystery Glassware Identification Thread
i thought dean starks had a tap on one arm(left arm as shown above) letting you drain the lower phas ... |
20-5-2019 at 16:23
by: Mesa |
Mystery Glassware Identification Thread
[url=https://ibb.co/VBP3MkH][img]https://i.ibb.co/VBP3MkH/20190521-040203.jpg[/img][/url] |
20-5-2019 at 10:04
by: Mesa |
Mystery Glassware Identification Thread
some kind of oil/water separator?
[url=https://ibb.co/c2bndmN][img]https://i.ibb.co/c2bndmN/2019052 ... |
20-5-2019 at 09:45
by: Mesa |
phosphoric acid identification
Phosphine is not only poisonous, it combusts spontaneuously in air.
This is much more relevant ha ... |
3-11-2018 at 09:39
by: Mesa |
Aus ebay seller argentorganics
Just noticed this new vendor offering PyBOP, 3,4,5-trimethoxybenzaldehyde, 3,4-dihydroxybenzaldehyde ... |
3-11-2018 at 03:49
by: Mesa |
The Short Questions Thread (4)
[rquote=541485&tid=25055&author=Ubya]does silica gel desiccant expires?
i found some old de ... |
8-10-2018 at 04:58
by: Mesa |
Tungsten compound
<---someone who has oodles and oodles of tungsten around and experimented with it quite a lot.
... |
8-10-2018 at 04:42
by: Mesa |
How to home school a 13yr old in chem in 1 week?
Hi. Cliff notes:
-grandmother died recently
-funeral + memorial in my home town
-many relative ... |
5-8-2018 at 07:27
by: Mesa |
The Effects of a Chemically Illiterate Population; I give you C60's Magical Healing Powers
It's hardly surprising, try searching for "zeolite" on ebay and the majority of hits are being marke ... |
12-5-2018 at 20:06
by: Mesa |
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