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Colours
Ok, so far my Sm/Co separation (on an alleged SmCo5 magnet) can be summarised in two words: ‘ironâ ... |
11-7-2014 at 12:44
by: blogfast25 |
Sandmeyer Benzene Production
[rquote=337855&tid=31537&author=ScienceHideout]If there is one lesson I learned about the sc ... |
11-7-2014 at 04:28
by: blogfast25 |
Colours
[rquote=337730&tid=31324&author=Brain&Force]blogfast, removing samarium from a solution ... |
10-7-2014 at 04:53
by: blogfast25 |
Colours
@B&F:
Great find, that video. You're giving me reasons to finally dissolve my SmCo magnet!
... |
9-7-2014 at 13:31
by: blogfast25 |
Is there a general rule about stirring rate & reaction speed like there is for temperature?
FireLion3:
Stirring, even in a highly turbulent regime (very high Reynolds Number), is a macrosco ... |
9-7-2014 at 13:15
by: blogfast25 |
Thulium (III) color
[rquote=337664&tid=31107&author=Pok]This also isn't a usefull method to decide wether you ha ... |
9-7-2014 at 08:57
by: blogfast25 |
Is there a general rule about stirring rate & reaction speed like there is for temperature?
Yes, I was of course specifically referring to reactions in homogenous phase (one phase). In multi-p ... |
9-7-2014 at 07:58
by: blogfast25 |
Is there a general rule about stirring rate & reaction speed like there is for temperature?
[rquote=337636&tid=31483&author=forgottenpassword]Obviously stirring is adding energy to a r ... |
9-7-2014 at 06:25
by: blogfast25 |
Colours
[rquote=337649&tid=31324&author=woelen]Use of Al or Mg I can test, but I do not expect much ... |
9-7-2014 at 06:13
by: blogfast25 |
Thulium (III) color
[rquote=337571&tid=31107&author=sbreheny]If I use H2SO4, won't I have Fe(II) ions instead of ... |
9-7-2014 at 04:32
by: blogfast25 |
Colours
Woelen:
My CRC ’86 gives:
Sm<sup>3+</sup> + e → Sm<sup>2+</sup>, w ... |
9-7-2014 at 04:13
by: blogfast25 |
Using Calcium Hydroxide as a base in place of Sodium Hydroxide?
Irrelevant, I think. Ca(OH)2 should probably work. |
8-7-2014 at 09:06
by: blogfast25 |
Hydriodic acid synthesis video (Question)
HI is illegal in Canada? What a bunch of twits.
"Genius has its limits but stupidity doesn't." (E ... |
8-7-2014 at 04:46
by: blogfast25 |
Using Calcium Hydroxide as a base in place of Sodium Hydroxide?
[rquote=337404&tid=31377&author=JefferyH]Do formed enolates/enols/phenolate disassociate fro ... |
8-7-2014 at 04:43
by: blogfast25 |
Thulium (III) color
[rquote=337413&tid=31107&author=sbreheny]However, do you have any possible explanation of wh ... |
8-7-2014 at 04:35
by: blogfast25 |
Thulium (III) color
sbreheny:
Re. your thiocyanate tests.
Firstly, check all reagents used for iron.
Secondly, ... |
7-7-2014 at 04:56
by: blogfast25 |
Using Calcium Hydroxide as a base in place of Sodium Hydroxide?
Whether or not calcium hydroxide can be used instead of sodium hydroxide will depend on specific co ... |
7-7-2014 at 04:45
by: blogfast25 |
Colours
[rquote=337247&tid=31324&author=nezza]Yes Samarium III is virtually colourless, but in a red ... |
6-7-2014 at 09:46
by: blogfast25 |
studying the borohydrate anion
Hmm... what I see in these sources is a debate. Not quite cut and dried. |
6-7-2014 at 09:02
by: blogfast25 |
Tests for Boron in Borax
That's an anhydrate. About 25 w% boron.
The tetrahydrate of that octaborate has MM = 412.48 g/mol ... |
6-7-2014 at 08:36
by: blogfast25 |
Tests for Boron in Borax
The octahydrate and decahydrate often referred to may be one and the same. Borax's formula is writte ... |
6-7-2014 at 07:25
by: blogfast25 |
studying the borohydrate anion
[rquote=337239&tid=31204&author=kmno4]First thing: "hybridization" is only mathematical tric ... |
6-7-2014 at 05:50
by: blogfast25 |
Colours
[rquote=337226&tid=31324&author=nezza]I have also uploaded a slow motion video of samarium d ... |
6-7-2014 at 05:29
by: blogfast25 |
Tests for Boron in Borax
[rquote=337234&tid=31321&author=CHRIS25]I need to determine the amount of Boron in samples s ... |
6-7-2014 at 05:03
by: blogfast25 |
Catalysts
[rquote=337159&tid=30971&author=AJKOER]For example one could argue that I was looking at con ... |
6-7-2014 at 04:59
by: blogfast25 |
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