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Preparation of ionic nitrites
When using KNO3 in place of NaNO3 in the OP reaction consisting of a nitrate, a base, and starch(in ... |
4-11-2020 at 13:04
by: Fyndium |
Nitric acid
It fumed pretty much as 33% HCl. I repacked some of my reagents so I handled both. The ambient temp ... |
4-11-2020 at 11:37
by: Fyndium |
Caution when bottling aerosol contents
I extracted some solvent from aerosol packages due to them being cheap and easily available in neede ... |
4-11-2020 at 11:35
by: Fyndium |
Nitric acid
I acquired a sample of HNO3. It is declared as azeotropic 68% and it's crystal clear. The thing is i ... |
4-11-2020 at 09:19
by: Fyndium |
Ammonium nitrate purification
An example of yield for KNO3 recrystallization.
A batch of 2000g of source that contains 50% KNO3 ... |
1-11-2020 at 15:24
by: Fyndium |
Desiccator vs ambient with fan?
I have recently dried crystals placed directly on top of a fine SS mesh, and below them I've placed ... |
1-11-2020 at 14:47
by: Fyndium |
Bad days in the lab or with glassware?
Use calcium chloride to bring down the cooling bath to -35C or whatever your freezer goes. It's not ... |
1-11-2020 at 12:32
by: Fyndium |
Bread + ozone
Ozone, UVC and others are not very good at sterilizing sub-surface contaminants. If you could first ... |
1-11-2020 at 12:25
by: Fyndium |
Bad days in the lab or with glassware?
You could put neutralizing agent on bottom of the bag. It would consume the reactant gas as it was p ... |
1-11-2020 at 01:13
by: Fyndium |
[Meme]Oh so you like amateur chemistry?
I wonder what are such compounds that are absolutely not doable at home/amateur settings. |
1-11-2020 at 01:11
by: Fyndium |
Quality Glassware breaking Easy by Cold Air! How to Avoid this?
The temperature elevation was reported something like 2C/min for thick walled reaction flasks. I've ... |
31-10-2020 at 16:21
by: Fyndium |
Life after detonation
[rquote=630962&tid=22554&author=Yamato71]...TO BE CONTINUED[/rquote]
Was this ever conclu ... |
31-10-2020 at 16:07
by: Fyndium |
Quality Glassware breaking Easy by Cold Air! How to Avoid this?
The glass is fraudulent. It either isn't boro or it's not properly annealed. Good quality boro can t ... |
31-10-2020 at 15:43
by: Fyndium |
Use Borosilicate Chemical Storage Bottle with GL45 Thread as Reaction Flask?
[rquote=647891&tid=156439&author=LuckyWinner]
cause the vapor needs space to go through.[/r ... |
31-10-2020 at 15:33
by: Fyndium |
Use Borosilicate Chemical Storage Bottle with GL45 Thread as Reaction Flask?
I have seen them used such way in various applications, including gas washing or bubbling. |
31-10-2020 at 11:36
by: Fyndium |
Bad days in the lab or with glassware?
I suggest sealing all that stuff in larg-ish ziploc bags. They are made out of polyethene or polypro ... |
31-10-2020 at 08:15
by: Fyndium |
How to cut 1oz silver bar into pieces that will fit in a test tube
Never cut any precious metals with sawing or grinding tools. You will lose a huge amount, even if yo ... |
31-10-2020 at 08:11
by: Fyndium |
Hydrogen Peroxide from Sodium Percarbonate
I described the process in another thread so I don't go into details here, but it is a viable method ... |
31-10-2020 at 08:02
by: Fyndium |
Ammonia from aluminium/magnesium + water?
Most here probably know that the most economical way to produce ammonia is to boil hydroxide with ur ... |
31-10-2020 at 07:58
by: Fyndium |
Thermobaric Composition
[rquote=645325&tid=156223&author=Tsjerk]Do you have a source for German black aluminium cont ... |
30-10-2020 at 00:49
by: Fyndium |
Easy Pt/Al2O3 catalyst for reforming?
Really? Deodorant for Al2O3? No offense, but this must be the biggest reaching I've seen for a while ... |
30-10-2020 at 00:41
by: Fyndium |
Hydrogen Peroxide from Sodium Percarbonate
Whatever I made, it behaved like sodium perborate. I dissolved sodium percarbonate in water and mixe ... |
29-10-2020 at 12:37
by: Fyndium |
Airport Chemical Screening
They contain 0.2% or similar of nitrite, hence. Rubbing processed meat onto your hands for 8 hours a ... |
29-10-2020 at 09:41
by: Fyndium |
Lab tips & tricks
[rquote=647567&tid=81777&author=TriiodideFrog]Some compounds cannot be extinguished by water ... |
28-10-2020 at 10:48
by: Fyndium |
what happened to LL?
I think we should ban stupid people instead. |
28-10-2020 at 10:44
by: Fyndium |
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