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drying agent for silica gel
[rquote=325686&tid=29893&author=Zyklonb]Yep, that's why silica gel is so useful.[/rquote] I ...
3-4-2014 at 11:26
by: CHRIS25
drying agent for silica gel
Oh that simple!
3-4-2014 at 09:49
by: CHRIS25
drying agent for silica gel
I have some silica gel which is washed and sitting in a dessicator bag with NaOH. I had put in NaSO ...
3-4-2014 at 08:59
by: CHRIS25
Do I have partial hydrolysis of copper acetate?
I have a few hundred 0,5 - 1mm copper acetate crystals coloured deep blue black in a solution mixed ...
20-3-2014 at 04:20
by: CHRIS25
Coating copper with silver (patinating) not electochemical
Hallo BJ, thanks, I recognise the brown mixture, unfortunately there are no measurements in this rec ...
20-3-2014 at 02:50
by: CHRIS25
electrolysis of copper
Well thankyou for the spoon. I am using copper cathode and anode and copper sulphate. the rest i ...
18-3-2014 at 10:53
by: CHRIS25
electrolysis of copper
Hi, Thanks for the book references but I will give those a miss. I simply want to purify some coppe ...
18-3-2014 at 08:13
by: CHRIS25
electrolysis of copper
Purifying copper. The only thing that I can find no information about is the approximate Molar stre ...
18-3-2014 at 06:54
by: CHRIS25
Coating copper with silver (patinating) not electochemical
Hallo,

well I have another recipe that uses ammonium chloride, but no, these references never eve ...
18-3-2014 at 06:50
by: CHRIS25
Coating copper with silver (patinating) not electochemical
I am looking for some understanding of the chemistry behind the following:

Two methods to patinat ...
18-3-2014 at 03:43
by: CHRIS25
Maths problem
Thankyou for the maths demonstrations, this all helps. I'm a slow tortoise in thinking mathematical ...
15-3-2014 at 10:35
by: CHRIS25
Maths problem
I have a 40% copper acetate solution which I made. In a certain recipe I need 10grams of this copper ...
15-3-2014 at 09:42
by: CHRIS25
stoichemetry question
Thankyou vmelkon
12-3-2014 at 12:14
by: CHRIS25
stoichemetry question
Is this a better way: What volume of 36% HCl needed to contain 72g?

100mLs * 72g / 36% = 200mLs ...
12-3-2014 at 10:00
by: CHRIS25
stoichemetry question
Yes I know, I use air, or H2O2. I solved it, 72g HCl are needed This is 2moles (11M is my concentr ...
12-3-2014 at 02:48
by: CHRIS25
stoichemetry question
I have been away from chemistry for almost 18 months and am embarrassed to say that I have forgotten ...
12-3-2014 at 01:52
by: CHRIS25
Sodium Silicate Solubility Problems
[rquote=280504&tid=23937&author=macckone]The solubility of the Na[sub]2[/sub]SiO[sub]3[/sub] ...
9-4-2013 at 14:18
by: CHRIS25
Sodium Silicate Solubility Problems
EC: No neither, these were three different tests. Besides I am really trying to understand the inn ...
8-4-2013 at 23:32
by: CHRIS25
Drying copper nitrate?
I have used both steel wool and iron filings for this. Both will give you quite some impurities fro ...
8-4-2013 at 08:17
by: CHRIS25
Sodium Silicate Solubility Problems
[rquote=280335&tid=23937&author=elementcollector1]Perhaps you should try solubility at diffe ...
8-4-2013 at 08:12
by: CHRIS25
Sodium Silicate Solubility Problems
I took delivery of sodium silicate powder. I have spent the last 3 days working out solubility calc ...
8-4-2013 at 07:16
by: CHRIS25
The short questions thread (3)
[rquote=279924&tid=14239&author=DraconicAcid][rquote=279907&tid=14239&author=CHRIS25 ...
5-4-2013 at 04:51
by: CHRIS25
The short questions thread (3)
How does one test for the presence of ammonium in Ferrous ammonium sulphate? Suspecting that upon c ...
4-4-2013 at 02:06
by: CHRIS25
Ferrous chloride crystals left in open air
SORRY, BUT THIS IS THE FIFTH TIME this year that I have tried to upload images: My images are trimm ...
30-3-2013 at 06:48
by: CHRIS25
Titration of Copper chloride
When you titrate copper chloride (CuCL2) with Sodium Hydroxide to find the amount of free H+ ions no ...
23-3-2013 at 09:33
by: CHRIS25
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