| Search |
| [Next Page] |
phosphoric acid titration
I have some 85% phosphoric acid and wanted to titrate it. I've gone through all the numbers thrice a ... |
12-8-2020 at 18:42
by: CouchHatter |
jacketless condenser
Sorry, I meant deschem. Friday was a long day for me. |
9-8-2020 at 04:53
by: CouchHatter |
jacketless condenser
I actually spent about $15 on a 200mm from Chemglass. I did think of a vigreux, but I don't own one ... |
7-8-2020 at 20:21
by: CouchHatter |
jacketless condenser
I am designing some apparatus for a microwave reactor and need a condenser without the jacket barbs. ... |
6-8-2020 at 17:30
by: CouchHatter |
Harbor freight Air Mover / Blower
FRP is cheap and semi-resistant to most stuff. Fairly rigid. That's what I'd use if I didn't use met ... |
6-8-2020 at 17:27
by: CouchHatter |
microwave modifications
[quote]
As to testing the setup - you need a calibrated meter, which is expensive: the crappy met ... |
2-8-2020 at 16:03
by: CouchHatter |
Is there any trick to get stir bars to stay centered and spin on flat bottom flasks?
A cross-shaped stirbar will fix this, at least it did for me. I thought my hotplate stirrer magnets ... |
27-7-2020 at 09:07
by: CouchHatter |
storing gas in water tank
The volume pales in comparison to a cylinder, and to flush head space, you need a good minute of gas ... |
19-7-2020 at 19:08
by: CouchHatter |
Avoiding Explosions with Fumehood's Inline Fan -Spark Hazard
Although not applicable for ductwork and a true in-line fan, I got around exposing mine to vapors by ... |
18-7-2020 at 17:13
by: CouchHatter |
plastic coated glass
It's funny you should say that Dr. Bob, it was very sticky! I thought it was residue from some sor ... |
18-7-2020 at 17:01
by: CouchHatter |
plastic coated glass
When I was going through some chemical bottles that I obtained secondhand, after I removed a label, ... |
17-7-2020 at 13:58
by: CouchHatter |
Steam distillation tubing size?
Consistent rate of steam generation matters more. I have used 5/16"ID to great success, but if the s ... |
10-7-2020 at 03:58
by: CouchHatter |
Polypropylene funnel considerations
I've used mine with 52% nitric acid and not noticed any staining. I also poured 40 mL sulfur chlorid ... |
6-6-2020 at 09:20
by: CouchHatter |
chlorine generator vs HCl generator
I have a supply of pool chlorinating tabs, and so I am more interested in the reaction between HCl a ... |
1-6-2020 at 14:54
by: CouchHatter |
Worries about Cl in small scale electrolysis
It can be neutralized with a NaOH trap, but I'm not familiar with electrolysis. Unless you're workin ... |
28-5-2020 at 19:29
by: CouchHatter |
Acetone storage?
Not sure what bottle sizes you think are small - do you need 1 or 4 liters for "small reactions"? My ... |
23-5-2020 at 19:53
by: CouchHatter |
Newe YouTube Video: Methyl Iodide Synthesis with Aluminum Foil
Cool that you're putting yourself out there! If everything went according to plan it wouldn't be as ... |
20-5-2020 at 20:23
by: CouchHatter |
Worried that police are intercepting my packages, worried about knock on door. Or just COVID-19 shipping delays?
I'm all for reusing containers, but IIRC, purposely mislabeled chemicals is a big red flag for any v ... |
9-5-2020 at 17:33
by: CouchHatter |
digging a hole with explosives
Excellent and informative suggestions. From the other post about tree toppling, Vomaturge says that ... |
19-4-2020 at 09:06
by: CouchHatter |
digging a hole with explosives
I wonder if anybody has used an explosive they made for excavation of rocks or trees. I'm reading th ... |
17-4-2020 at 14:16
by: CouchHatter |
Ammonium Nitrate Source
The new marijuana supply shops everywhere around here are good for something after all! I recently g ... |
1-4-2020 at 08:38
by: CouchHatter |
Factors that decide if a fume hood is good or bad?
[url=https://drive.google.com/folderview?id=1mBYa-yjI2-78dmmGBSrX1c2AFxtkFkWe]Hope this helps.[/url] ... |
30-3-2020 at 20:10
by: CouchHatter |
Factors that decide if a fume hood is good or bad?
Look up the different classes of fume hoods, if they are labeled. Some recirculate air, which is fin ... |
27-3-2020 at 17:11
by: CouchHatter |
heating media's for heat bath ?!
Could someone explain why the "useful up to __°C" metric is roughly half of the compounds' boiling ... |
26-3-2020 at 15:10
by: CouchHatter |
free respirator and non-matching cartridges
I have a [url=https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Full-Facepiece-Reusable-Re ... |
14-3-2020 at 14:16
by: CouchHatter |
| [Next Page] |
