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Calcium Oxide MSDS, unduly alarmed after buying as de-humidifier
=== but here it will react with water to form a strong base which will probably attack the lungs and ... |
14-6-2012 at 13:50
by: CHRIS25 |
Help kindly asked with interpreting results
Hi watsonFawkes. Just returned from Galway. need a bit of time on your reply to work things out, j ... |
14-6-2012 at 11:23
by: CHRIS25 |
Calcium Oxide MSDS, unduly alarmed after buying as de-humidifier
With the intention of substituting the Oxide with my own calcium chloride I bought a couple of these ... |
14-6-2012 at 11:14
by: CHRIS25 |
why is my sodium chloride precipitate blue?
Woelen, I can grapple with what you are saying, just, I have to read some more on these electrons an ... |
12-6-2012 at 03:32
by: CHRIS25 |
Help kindly asked with interpreting results
Answer is that at the moment I have 1.5 moles of acid in 1litre of solution. So I have just discove ... |
12-6-2012 at 01:17
by: CHRIS25 |
why is my sodium chloride precipitate blue?
Quote Woelen:=====You apparently have such a low concentration of chloride ions that hardly any chlo ... |
12-6-2012 at 00:54
by: CHRIS25 |
Help kindly asked with interpreting results
Hallo watsonFawkes, right ok then. Yes I use pumped air all the time now, cheaper than H2O2 and wit ... |
11-6-2012 at 09:54
by: CHRIS25 |
Help kindly asked with interpreting results
Hi, no problem with stoichemetry - and yes the solution had HCl in it. All I need to know is if the ... |
11-6-2012 at 07:32
by: CHRIS25 |
Help kindly asked with interpreting results
I have read so much and have watched videos, unfortunately I am having trouble finding answers so ne ... |
11-6-2012 at 04:57
by: CHRIS25 |
why is my sodium chloride precipitate blue?
Right, way off then. Thankyou very much for that. rest assured I will watch these videos.
When ... |
9-6-2012 at 08:45
by: CHRIS25 |
why is my sodium chloride precipitate blue?
Trying desperately to follow woelen's explanations (which I do appreciate) about colour changes in N ... |
9-6-2012 at 06:50
by: CHRIS25 |
copper conductive paint
decided to put this question on the board because amazon uk only sells silver conductive paint, and ... |
6-6-2012 at 12:53
by: CHRIS25 |
Selenium toxicity
Hi, I looked at your blog. It seems you are quite knowledgeable and intelligent, However I was surp ... |
4-6-2012 at 15:07
by: CHRIS25 |
Colour Changes when NaOH added to CUCL2 and water
Thankyou woelen, this makes things clearer, and brings together quite nicely all those jagged jigsaw ... |
4-6-2012 at 08:41
by: CHRIS25 |
Colour Changes when NaOH added to CUCL2 and water
Point taken Woelen, still having to adjust from switching between artistic mode and correct scientif ... |
4-6-2012 at 06:13
by: CHRIS25 |
Colour Changes when NaOH added to CUCL2 and water
Questions come from this Basic reaction: Copper + HCL + AIR, and then 1 mil of this solution added ... |
4-6-2012 at 03:48
by: CHRIS25 |
Maths question regarding grams and dissolving metals
===1 g of copper is about 1/63.5 moles
that takes 2/63.5 moles of HCl ( plus an oxidiser).
0.0314 ... |
3-6-2012 at 13:53
by: CHRIS25 |
Maths question regarding grams and dissolving metals
Hi Nezza, this is where I am going wrong when it comes to calculating acids into mils. Take the ori ... |
3-6-2012 at 04:59
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
Ok, but leaving outside would take forever. But thanks for the elucidation about the FE 2 and 3. and ... |
2-6-2012 at 13:37
by: CHRIS25 |
Maths question regarding grams and dissolving metals
I was looking for ways to control HCL content within copper chloride solution and discovered someone ... |
2-6-2012 at 13:06
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
Hi welming, If I had excess Fe2 ions I would have a greener looking solution. My previous solution ... |
2-6-2012 at 01:18
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
Hallo Watson.Fawkes. Well,you have given me quite a lot to research about and digest - I look forwa ... |
1-6-2012 at 08:49
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
Hi Welming, thankyou very much for that last website pointer. Your explanation is exhaustive - many ... |
1-6-2012 at 05:28
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
Hi Nicodem, thanks for replying. Yes you're right a very oxymoronic sentence - unfortunately I was n ... |
1-6-2012 at 03:15
by: CHRIS25 |
Ferric nitrate and sodium thiosulphate
[rquote=250054&tid=20273&author=ScienceSquirrel]Have a look here;
http://www.chemicalforu ... |
31-5-2012 at 07:37
by: CHRIS25 |
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