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Calcium chloride recrystallization
if it is just contamination by old solvents that concerns you,
would it be sufficient to heat the C ... |
29-3-2020 at 04:44
by: Sulaiman |
Factors that decide if a fume hood is good or bad?
I do not have a fume cupboard and I have little experience, but one thing that I know to be importan ... |
27-3-2020 at 17:54
by: Sulaiman |
heating media's for heat bath ?!
Heating mantles are usable to 450[sup]o[/sup]C
You could also wind-your-own nichrome or kanthal h ... |
26-3-2020 at 20:03
by: Sulaiman |
$10000 can buy what chemicals?
I suggest that you use your $10000 to prepare yourself for the impending economic turmoil.
Food, wa ... |
25-3-2020 at 19:48
by: Sulaiman |
Yes
I.R. LEDs have the electrical characteristics of a diode even when light output has fallen to unusab ... |
25-3-2020 at 19:31
by: Sulaiman |
Suggestion : Buy yourself an oxygen generator NOW
I have just ordered a new oxygen generator https://www.ebay.co.uk/itm/Medical-1-6L-Oxygen-Generator- ... |
24-3-2020 at 19:11
by: Sulaiman |
Wanted : Ideas to cool a 5L flask/mantle quickly
The flask and mantle were used commercially for testing oils (that's all I know)
there was a lot of ... |
24-3-2020 at 09:23
by: Sulaiman |
[Nurdrage] Make Sodium Metal with Menthol - need help with DC motor
You have quoted sufficient relevant information in your post above. |
24-3-2020 at 09:03
by: Sulaiman |
Wanted : Ideas to cool a 5L flask/mantle quickly
I have a 5L flask that gets stuck to its 5L heating mantle when heated and then on cooling.
(If I l ... |
24-3-2020 at 08:51
by: Sulaiman |
Changing the platters in a HD
Unless you have irreplaceable valuable data on the drive - scrap it.
If you MUST recover the driv ... |
22-3-2020 at 17:58
by: Sulaiman |
latest glassware purchase
Sorry to triple post but I want to WARN FOLKS
[b]DO NOT[/b] BUY A THERMOMETER SIMILAR TO THE ONE T ... |
21-3-2020 at 23:27
by: Sulaiman |
latest glassware purchase
[rquote=632279&tid=71645&author=j_sum1]I am now the proud owner of a range of volumetric fla ... |
20-3-2020 at 20:23
by: Sulaiman |
latest glassware purchase
I was recently given a 2-neck (34/35 & 19/26) 5L rbf with 700W heating mantle and three retort c ... |
20-3-2020 at 19:21
by: Sulaiman |
Ika-combimag ret stirring problems
My first suspect is the actual pot.
If you can measure Ohms then test the pot,
if you have an alte ... |
19-3-2020 at 17:07
by: Sulaiman |
[Nurdrage] Make Sodium Metal with Menthol - need help with DC motor
I use a similar motor for my diy overhead stirrer
https://www.youtube.com/watch?v=ziRxiFSaZsA
d. ... |
15-3-2020 at 19:04
by: Sulaiman |
caution : advice that may be decades out of touch with reality
You could ask your chemistry and physics teachers for ideas.
One approach could be to keep yourse ... |
15-3-2020 at 18:26
by: Sulaiman |
Elemental Mercury from cinnabar
YES, that should do it !
I may even buy some more cinnabar, shipped to me here, so I can try soon ... |
13-3-2020 at 20:09
by: Sulaiman |
Blue gases?
Althought it is a very faint blue colour,
AFAIK, water is blue when solid, liquid or gas. |
13-3-2020 at 20:02
by: Sulaiman |
Purifying a formaldehyde solution w/ blue dye
[rquote=632560&tid=155019&author=DrIronic101]However, it contains a blue dye which would pro ... |
13-3-2020 at 19:51
by: Sulaiman |
Accuracy of cheap volumetric flasks ?
my first intention is to measure the density of water as accurately as I can 
(tap/rain/distilled ... |
12-3-2020 at 22:21
by: Sulaiman |
How lucky am I ?
It was from a Bus company that went bust.
The glassware was used to test 'oil' (diesel, lubricating ... |
10-3-2020 at 22:33
by: Sulaiman |
How lucky am I ?
Two days ago a relative of my wife dropped around,
she heard that I like chemistry,
and wondered i ... |
8-3-2020 at 23:11
by: Sulaiman |
Accuracy of cheap volumetric flasks ?
[rquote=632203&tid=154987&author=Dr.Bob]... The analytical chemists in my group tend to meas ... |
7-3-2020 at 02:13
by: Sulaiman |
Accuracy of cheap volumetric flasks ?
I intend to buy a 100ml class A volumetric flask.
Pyrex : Bomex China = 5 : 1 cost ratio.
Anyone c ... |
6-3-2020 at 03:42
by: Sulaiman |
chinese 500 ml heating mantle issue
I suspect that a single-neck flask would fit ok,
some 3-neck flasks get wider just above the halway ... |
4-3-2020 at 01:50
by: Sulaiman |
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