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Making I2 with NO2, success
good point, but the NO2 should react with the KI first, and some NO2 will bubble through the solutio ... |
7-11-2012 at 10:45
by: Pyro |
Making I2 with NO2, success
ok. ill edit it |
7-11-2012 at 09:33
by: Pyro |
Making I2 with NO2, success
true. but my HNO3 costs 2 eur/l for 60% lab grade. you are right about the toxicity of the NO2, It r ... |
7-11-2012 at 09:00
by: Pyro |
Making I2 with NO2, success
Hello everyone,
A few days ago I had success making I2 by passing NO2 through a solution of KI, t ... |
7-11-2012 at 08:16
by: Pyro |
Mettler balance - Error 4 - Way to repair without sending to company?
why don't you call mettler and ask them if its possible and what it would cost to get it fixed.
it ... |
7-11-2012 at 07:26
by: Pyro |
Sodium Hypochlorite
sodium hypochlorite is cheap as can be! over here it's about 3$ for 5l 18%. you should be able to ge ... |
4-11-2012 at 11:56
by: Pyro |
Central European chemical supplier - is he good?
i think i know what you are talking about.
i threatened to get my money back via paypal if he didn' ... |
31-10-2012 at 13:36
by: Pyro |
does anybody have an idea as to what happened?
3 days. whenever I was there I heated it. but when I was heating it i saw the temp. on my hotplate a ... |
31-10-2012 at 08:20
by: Pyro |
does anybody have an idea as to what happened?
hi,
today I took my dry K2CrO4 out of my evaporation dish (I made it from K2Cr2O7 and KOH) and when ... |
31-10-2012 at 08:14
by: Pyro |
Labboy review
maybe,
would probably be expensive though... |
29-10-2012 at 11:28
by: Pyro |
Lab Equipment/Reagents for Sale
good idea. but a mod should make a special thread for this.
in a post like you have here it's harde ... |
29-10-2012 at 10:20
by: Pyro |
Labboy review
i have hollow stoppers. they don't really bother me.
I would like to mention that they will also ma ... |
29-10-2012 at 08:31
by: Pyro |
Latest chemical order?
wtf! 100lb KNO3?? what for? |
26-10-2012 at 13:42
by: Pyro |
interesting sep. funnel adaptation
we (at least I did) meant when it's right way up you can open the stopcock without taking off the st ... |
26-10-2012 at 07:34
by: Pyro |
Anyone willing to trade?
what do you want? I live in Belgium and might be able to sell you a few things. |
26-10-2012 at 07:31
by: Pyro |
Hello and passwords
it just means you need to put in extra effort. just a little extra to make it harder for spammers |
21-10-2012 at 13:06
by: Pyro |
Hello and passwords
so you can't use multiple accounts i think. chances are people only have 1 email. |
21-10-2012 at 12:23
by: Pyro |
Anyone willing to trade?
i think you would be better off cleaning it really well and selling it as new on ebay. a graham is w ... |
20-10-2012 at 13:18
by: Pyro |
Anyone willing to trade?
strange, as you say his is longer and more efficient. maybe for a very small scale distillation?
ca ... |
20-10-2012 at 12:53
by: Pyro |
Insoluble Manganese (II) Sulfate, monohydrate
good point! see:http://www.youtube.com/watch?v=KSIeCbv4jlM
that is how a pro works macbluff  |
19-10-2012 at 13:19
by: Pyro |
Insoluble Manganese (II) Sulfate, monohydrate
convert it to manganese nitrate and heat to decompose to MnO2 which is black/brown.
you can test it ... |
19-10-2012 at 13:01
by: Pyro |
interesting sep. funnel adaptation
True Mr crow. But luckily you don't put the joint of a sep funnel under extreme conditions like you ... |
19-10-2012 at 07:39
by: Pyro |
Latest chemical order?
i prefer to let pics do the talking.
i got a bunch of second hand beakers and stuff, a new long con ... |
17-10-2012 at 14:17
by: Pyro |
COSHH Solvents Cabinet *FREE*
i meant what would it cost?
|
14-10-2012 at 04:13
by: Pyro |
Elemental bromine
http://www.hinmeijer.nl/product/132531/Broom_99_.aspx
I recently made the mistake of buying 2kg NaB ... |
13-10-2012 at 11:51
by: Pyro |
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