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SrCrO4. What to do with it?
I think this material dissolves in nitric acid and hydrochloric acid, as heavy-metal dichromates are ... |
25-11-2008 at 02:50
by: Jor |
GBL: 600 raids in Germany, Austria, Switzerland
Yes, but the law here in the Netherlands will probably match the German law to a great extent, so if ... |
24-11-2008 at 06:04
by: Jor |
Sodium metal and thiocyanate?
I think the sash of my hood will do just fine.
I think I will use a smaller amount of KSCN instead ... |
23-11-2008 at 14:28
by: Jor |
Sodium metal and thiocyanate?
Your observation match mine 
I also had a very violent reaction, and then there was no reaction ... |
23-11-2008 at 13:09
by: Jor |
GBL: 600 raids in Germany, Austria, Switzerland
Can anyone make a short summary of what he is saying and what one should do? I can hardly understand ... |
23-11-2008 at 10:20
by: Jor |
Preparation of PBr3?
The fuming of these phosphorus bromides is truly amazing.
20 minutes ago, I prepared the same so ... |
23-11-2008 at 10:13
by: Jor |
Sodium metal and thiocyanate?
As described in first post, I added a small amount of bleach to the reaction mixture, and I let stan ... |
23-11-2008 at 03:30
by: Jor |
Synthesis of phthalocyanine
Im puzzled...
After 30 minutes reflux, the first white powder in the liquid is now bright yellow.. ... |
23-11-2008 at 02:46
by: Jor |
Synthesis of phthalocyanine
Exactly that's what I mean. We have to fill in a form for wich we will use it, not more.
I do not ... |
23-11-2008 at 02:38
by: Jor |
Sodium metal and thiocyanate?
As far as I know, copper also precitipates out with thiocyanate. And it also does with cyanide as Cu ... |
23-11-2008 at 01:31
by: Jor |
Synthesis of phthalocyanine
Heating copper powder and phthalamide does not seem to work.
I heated about 10-20mg phthalamide wit ... |
22-11-2008 at 10:56
by: Jor |
Sodium metal and thiocyanate?
I do not have iron salts
The first method will work, but I'll leave that to someone else 
... |
22-11-2008 at 10:46
by: Jor |
Sodium metal and thiocyanate?
Today I took a small piece of sodium and added a small spatula of potasssium thiocyanate (KSCN). I h ... |
22-11-2008 at 08:17
by: Jor |
Synthesis of phthalocyanine
I will use acetic acid as a solvent then. Even though acetic anhydride is available to me, it's stil ... |
20-11-2008 at 13:10
by: Jor |
Lab safety
wow:
http://www.metacafe.com/watch/715797/chemistry_experiments_burning_fat_explosion/
 |
20-11-2008 at 12:53
by: Jor |
Synthesis of phthalocyanine
Heating phthalimide is not going to work. Only one nitrogen in that molecule, while there are 2 in p ... |
20-11-2008 at 12:30
by: Jor |
Synthesis of phthalocyanine
Yea I have enough of it , and could order another liter if I want. However, any amount bought will b ... |
20-11-2008 at 11:06
by: Jor |
copper phthalocyanine
I want to make this stuff, because of it's said intense blue color.
Im doing the 4-step synthesis a ... |
20-11-2008 at 10:36
by: Jor |
homebuilt fume hood
It's not always like that. After we finished the hood we cleaned everything.
At the moment, ... |
17-11-2008 at 10:39
by: Jor |
silver
NO2 is no concern in my hood at all. None gets out, everything is sucked away. But... I live in anei ... |
17-11-2008 at 09:28
by: Jor |
silver
I think I will just go for it. I'm gonna buy it. Woelen, you suggest buying the pure silver. i know ... |
17-11-2008 at 02:04
by: Jor |
What to do with HgI2
Amazing. I love the colors! This is a very nice experiment. But I do believe you, i think the colors ... |
16-11-2008 at 14:45
by: Jor |
homebuilt fume hood
http://i405.photobucket.com/albums/pp133/Joris12345/CIMG1180.jpg
http://i405.photobucket.com/albu ... |
16-11-2008 at 14:23
by: Jor |
silver
I can get a 100g silver button (for 15 euro), with the following composition:
Ag 80.85%
Pb 1.03% ... |
16-11-2008 at 14:12
by: Jor |
homebuilt fume hood
Well I just finished my hood. It works really great. It has 4 sash opening heights, I cannot move it ... |
16-11-2008 at 08:49
by: Jor |
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