Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
What happened to NileRed, NurdRage, Chemplayer and Doug?
[rquote=667472&tid=157813&author=Ubya]About NileRed, it is just a behaviour i noticed in man ...
20-11-2021 at 02:08
by: Keras
benzyl alcohol oxidation
Here is another green path from benzyl alcohol to benzaldehyde. It is almost OTC, provided you can p ...
31-10-2021 at 12:03
by: Keras
Small scale production of H2SO4 in the amateur lab
Also, I just ordered p-toluenesulphonic acid. It is still legal to buy it in any quantity. It is qui ...
28-10-2021 at 03:15
by: Keras
Concentrating hydrobromic acid higher than the azeotrope?
Apparently, the maximum you can reach is about 65 % at 20 °C w/w (solubility 1930 g/L).

Either y ...
14-10-2021 at 22:59
by: Keras
Purchase of sodium bromide
In Europe, you can buy NaBr from [url=https://www.laboratoriumdiscounter.nl/en/sodium-bromide-999-ex ...
14-10-2021 at 22:48
by: Keras
Which range for a good refractometer?
[rquote=666119&tid=158000&author=Mush]
Too little. Go for a std nD1.300 ~ 1.700 one.

A ...
13-10-2021 at 11:18
by: Keras
Ohaus again (balances and hotplates)
I'm going to buy a pycnometer anyway. They're cheap, like €17 for a 50 mL one.
I still need a goo ...
13-10-2021 at 11:15
by: Keras
Which range for a good refractometer?
Hi,

very simple question: what refractive index range should a good refractometer be able to cove ...
10-10-2021 at 11:08
by: Keras
Ohaus again (balances and hotplates)
[rquote=666033&tid=157984&author=teodor]Check this: https://www.labmakelaar.com/product-cate ...
10-10-2021 at 07:37
by: Keras
Bugger YouTube
[rquote=665939&tid=157989&author=j_sum1]Venting here.
I just had a vid removed by YT. Yes, ...
10-10-2021 at 07:34
by: Keras
Ohaus again (balances and hotplates)
[rquote=665971&tid=157984&author=teodor]
Keras, you encourage good quality traditions which ...
8-10-2021 at 09:12
by: Keras
Ohaus again (balances and hotplates)
[rquote=665944&tid=157984&author=MidLifeChemist]You do realize the iPhone is made in China, ...
7-10-2021 at 23:21
by: Keras
Ohaus again (balances and hotplates)
[rquote=665914&tid=157984&author=Tsjerk][url=https://www.bol.com/nl/nl/p/on-balance-nv-500-p ...
6-10-2021 at 06:16
by: Keras
Sodium borohydride and Sodium azide for sale
[rquote=665921&tid=157282&author=Chemcraft]
Sodium borohydride [b]will be available in the ...
6-10-2021 at 06:15
by: Keras
Preparation of NaH from sodium metal.
[rquote=665897&tid=157640&author=S.C. Wack]
[rquote=665873&tid=157640&author=Keras] ...
5-10-2021 at 06:55
by: Keras
Ohaus again (balances and hotplates)
[rquote=665898&tid=157984&author=S.C. Wack]$55 will get a complete, like-new Ohaus cent-o-gr ...
5-10-2021 at 06:51
by: Keras
Ohaus again (balances and hotplates)
[rquote=665884&tid=157984&author=Sulaiman]
I like cheap Chinese scales
but pay for one mor ...
4-10-2021 at 11:17
by: Keras
Preparation of NaH from sodium metal.
I reproduce here the relevant section of the book [i]Small Scale Synthesis of Laboratory Reagents[/i ...
4-10-2021 at 04:57
by: Keras
Ohaus again (balances and hotplates)
[rquote=665867&tid=157984&author=Oxy]Personally, until you want to get a scale for analytica ...
4-10-2021 at 04:11
by: Keras
Ohaus again (balances and hotplates)
I was thinking about buying a new balance, of the Ohaus Traveler series (prolly the 300g/0.01g). I u ...
4-10-2021 at 02:49
by: Keras
Anything interesting to do with Lactic Acid?
I just realised that lactic acid is what is now sold over here (in Europe) in hardware shops under t ...
12-9-2021 at 02:05
by: Keras
Production of carbon disulfide + acyl chlorides via the reaction of sulfur monochloride with methyl ketones
Given the reservation rightly expressed by the people above, I'd recommend conducting a pilot experi ...
11-9-2021 at 02:44
by: Keras
Glassware stuck together by sulfur from sulfur monochloride
Hot toluene should work, and is more available and less dangerous than carbon disulphide.

It nev ...
11-9-2021 at 02:35
by: Keras
Acetyl chloride via acetonitrile + acetic acid + HCl (report)
[rquote=664428&tid=157849&author=horuse10]Why not refluxing your product before distilling i ...
23-8-2021 at 11:40
by: Keras
Acetyl chloride via acetonitrile + acetic acid + HCl (report)
[rquote=664412&tid=157849&author=Fery]Keras - beautiful and congratulation![/rquote]
Thanks ...
23-8-2021 at 09:14
by: Keras
[Next Page]

  Go To Top