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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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