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How to make a 1 Mole Sodium Hydroxide (NaOH) solution.
[rquote=620698&tid=152994&author=JoeyJoystick]
Myself, when I was 12 or 13 years old, had a ...
18-8-2019 at 22:22
by: wg48temp9
How to fix date format?
[rquote=620695&tid=153083&author=fusso]Sigh. Is there noone that knows how to fix the SM dat ...
18-8-2019 at 08:41
by: wg48temp9
How to fix date format?
[rquote=620510&tid=153083&author=fusso]I'm using yymmdd format, but tried to change the sett ...
16-8-2019 at 02:44
by: wg48temp9
Metal Pot on Ceramic Hotplate
[rquote=620503&tid=153049&author=WGTR]It’s because the metal container will not be flat en ...
16-8-2019 at 02:31
by: wg48temp9
Aurin- tricarboxylate synthesis
I found a curious note titled:
SYNTHESIS OF THE COVALENT HYDRATE OF THE INCORRECTLY
ASSUMED STRUC ...
15-8-2019 at 11:18
by: wg48temp9
Matter about DIY magnetic stirrer
[rquote=618997&tid=152518&author=namnguyenvn2904]My heating element is absolutely safe enoug ...
14-8-2019 at 15:43
by: wg48temp9
Renewing old burette markings
I had similar problems with cheap thermometers.

Permanent markers tend to be dyes dissolved in a ...
14-8-2019 at 15:13
by: wg48temp9
Aurin- tricarboxylate synthesis
[rquote=620423&tid=153036&author=Boffis]If you read your own attached paper you will see tha ...
14-8-2019 at 14:03
by: wg48temp9
Aurin- tricarboxylate synthesis
In the synth of Aurin- tricarboxylate in the fllowing note what is the purpose of the nitrite?


...
14-8-2019 at 05:30
by: wg48temp9
hippocampal representations
I have always been curious as to how brains work and human ones in particular.

Significant progre ...
13-8-2019 at 04:48
by: wg48temp9
Looking for Dyes
Ebay UK has three of your listed dyes in addition to Methylene blue and Indigo carmine.

Yes that ...
12-8-2019 at 16:55
by: wg48temp9
99.5-100.5% Pure!
[rquote=619556&tid=152727&author=Heptylene]]

I didn't know we had a library. Very interes ...
3-8-2019 at 02:55
by: wg48temp9
Nickel Salts-advice on sales
[rquote=619451&tid=152531&author=Panache][rquote=618969&tid=152531&author=Abrominati ...
2-8-2019 at 23:49
by: wg48temp9
99.5-100.5% Pure!
[rquote=619513&tid=152727&author=Heptylene]I found a nice reference book on uncertainties: [ ...
2-8-2019 at 23:21
by: wg48temp9
Mantle transformer question
[rquote=619416&tid=152707&author=draculic acid69]If my 1litre mantle is rated at 400w and it ...
1-8-2019 at 07:15
by: wg48temp9
Heating mantle blew up WTF!!!!!
[rquote=619415&tid=152050&author=draculic acid69]It's a d.c. motor, not an issue it's handle ...
1-8-2019 at 06:59
by: wg48temp9
Li ion batteries same size but different capacities?
As an other poster already stated, as confirmed by batterybro.com

"The two most important specs f ...
30-7-2019 at 22:57
by: wg48temp9
UNBELIEVABLY CHEAP microscopes
[rquote=619032&tid=151004&author=woelen]I just requested a refund. The "seller" is not prese ...
28-7-2019 at 12:55
by: wg48temp9
Making ice in winter to cool the house in summer
An American ton is about 0.9 metric tons and a metric ton of water is one cubic meter. So 100 amer ...
28-7-2019 at 12:10
by: wg48temp9
Matter about DIY magnetic stirrer
[rquote=618896&tid=152518&author=namnguyenvn2904][size=4]When making a DIY magnetic stirrer ...
27-7-2019 at 10:46
by: wg48temp9
Reusing instant cold packs > Development of green air conditioner
[rquote=618587&tid=152412&author=Pyro_cat]

"Four Instant Ice Packs provide you with the s ...
25-7-2019 at 19:37
by: wg48temp9
Thermochromic derivatives of crystal violet
I wounder if sulfonepthaleins are thermochromic.

Here is a synthesis of phenolsulfonephthalein ...
23-7-2019 at 05:02
by: wg48temp9
Glass tubes
To fabricate anything other than a bent connecting tube you need to use borosilicate glass as soda g ...
23-7-2019 at 03:43
by: wg48temp9
Heating mantle blew up WTF!!!!!
[rquote=618081&tid=152050&author=draculic acid69]While I trust my soldering and low risk DC ...
21-7-2019 at 02:16
by: wg48temp9
UNBELIEVABLY CHEAP microscopes
[rquote=617929&tid=151004&author=wg48temp9][rquote=617926&tid=151004&author=Sulaiman ...
20-7-2019 at 16:17
by: wg48temp9
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