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What the Hell Happened to the Picric Acid Thread?
Men, I really don't understand what are you talking about , who is Franklyn and why this is importan ... |
2-9-2019 at 23:00
by: teodor |
Obtaining chemicals from chem suppliers or?
[rquote=621961&tid=153580&author=DongCling] I mean, is there a way to have someone else orde ... |
2-9-2019 at 21:57
by: teodor |
Obtaining chemicals from chem suppliers or?
Well, the question is "do you need to register a research lab" or you can register something that wi ... |
2-9-2019 at 05:47
by: teodor |
Obtaining chemicals from chem suppliers or?
Well, I do research on photochromism and hope I will be able to get what I need because I have a reg ... |
2-9-2019 at 04:17
by: teodor |
Budget Microscope - Is this a good option?
Yttrium2, please throw some light upon the purpose for a CHEAP microscope. It really depends, but ge ... |
2-9-2019 at 01:28
by: teodor |
Obtaining chemicals from chem suppliers or?
It really depends on chemicals. There is no general answer. As far as I remember (I was reading this ... |
2-9-2019 at 01:08
by: teodor |
Path to tin(IV) sulfide?
[rquote=621766&tid=153470&author=Arcaeca]
... and the other required a crucible of some sor ... |
31-8-2019 at 12:46
by: teodor |
Path to tin(IV) sulfide?
[rquote=621757&tid=153470&author=Arcaeca]
Basically making tin(IV) sulfide is two problem ... |
31-8-2019 at 10:28
by: teodor |
Path to tin(IV) sulfide?
But if you have only a tin metal or alloy you should to oxidize it somehow (to IV valency). One meth ... |
31-8-2019 at 00:35
by: teodor |
picric acid toxicity
It's funny that nowadays we should distinguish between "really toxic" and "people of certain categor ... |
30-8-2019 at 01:00
by: teodor |
Path to tin(IV) sulfide?
There are a lot of possibilities how to make sulphides using just sulfur, check the forum, the topic ... |
29-8-2019 at 20:01
by: teodor |
Hydrogen Peroxide from water micro droplets
Does it mean we can start research of how to convert NH4OH to NH4NO3 with the similar method ? 
[ ... |
29-8-2019 at 07:17
by: teodor |
picric acid toxicity
UV light is carcinogenic |
29-8-2019 at 06:20
by: teodor |
Hazardous chemicals
According to wikipedia data for LD50 of ethyl alcohol and Cu2SO4 it seams that 20% Cu2SO4 (concentra ... |
29-8-2019 at 05:02
by: teodor |
Chemical Availability Changes from 15 years ago (US)
It's good to know that good chemistry sets are still produced.
But if we talk about chemistry as ... |
29-8-2019 at 03:02
by: teodor |
Path to tin(IV) sulfide?
After oxidizing the solder in HNO3 add a soluble sulfide (Na2S) to the residue. It gives Na2SnS3 in ... |
28-8-2019 at 23:02
by: teodor |
Chemical Availability Changes from 15 years ago (US)
[rquote=621419&tid=153339&author=woelen]The young starter boy or girl nowadays cannot obtain ... |
27-8-2019 at 05:50
by: teodor |
What caused these salt crystals to appear
Well, I was always curious what is the relationship between water and its boiling temperature and pr ... |
27-8-2019 at 04:42
by: teodor |
Reduction of thiocyanate
If a man would be dead from just a small HCN escape I think nobody practicing chemistry can stay ali ... |
27-8-2019 at 03:41
by: teodor |
How do i synthesize sodium peroxide?
https://www.sciencemadness.org/whisper/viewthread.php?tid=10 ? |
27-8-2019 at 03:36
by: teodor |
Molishch's test: experiment suggestions
Thank you nezza, that is interesting, I will read more about Magneson II, especially how sensitive i ... |
27-8-2019 at 01:53
by: teodor |
Chromate and dichromate
Oh, I see. You mean the experiment with heating in that thread. Ammonium buffer was added to keep co ... |
23-8-2019 at 22:17
by: teodor |
What caused these salt crystals to appear
I think this experiment is interesting, with addition of a salt to a boiling water. Possible the fro ... |
23-8-2019 at 00:15
by: teodor |
Chromate and dichromate
Did you see http://www.sciencemadness.org/talk/viewthread.php?tid=150474 ?
As far as I know there ... |
22-8-2019 at 09:45
by: teodor |
Thiocyanate turned red
Not sure whether iron is the only thing to develop red color in the thiocyanate test but pretty sure ... |
22-8-2019 at 05:45
by: teodor |
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