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Do not buy this type of digital scales
I go with a non-digital scale, as a backup.
[file]75238[/file]
[Edited on 5/6/19 ... |
6-5-2019 at 08:19
by: PirateDocBrown |
Ethanol Purification for Synthesis
Here's my route to lab ethanol:
I start with this:
http://www.kleanstrip.com/product/green-den ... |
23-4-2019 at 06:44
by: PirateDocBrown |
Trying to get rid of chemicals. Nearish Philadelphia
[rquote=609604&tid=148444&author=Loptr][rquote=609510&tid=148444&author=PirateDocBro ... |
21-4-2019 at 03:23
by: PirateDocBrown |
Trying to get rid of chemicals. Nearish Philadelphia
I'd gladly pay the shipping. I'm in Minnesota.
I certainly could use the red phosphorus.
[Edited ... |
19-4-2019 at 21:48
by: PirateDocBrown |
(Successfully) Ordering from Sigma Aldrich in the UK
Wonder if they can ship to the US?
If not, wonder if there's a similar company over here?
[Edi ... |
27-3-2019 at 08:43
by: PirateDocBrown |
Ferric Ammonium Citrate
Correct. Light transfers an electron from the citrate to the iron, reducing it to ferrous state. It ... |
27-3-2019 at 08:40
by: PirateDocBrown |
(Successfully) Ordering from Sigma Aldrich in the UK
This is a normal way for Aldrich to ship hazmat. I once even received red P packed like this. |
26-3-2019 at 09:14
by: PirateDocBrown |
Any interesting uses for dimethylglyoxime?
It is an indicator for the presence of nickel in solution.
It forms a characteristic strawberry r ... |
24-3-2019 at 17:02
by: PirateDocBrown |
Nitric acid spill
5 miles from my house. These guys often have spills.
[Edited on 3/12/19 by PirateDocBrown] |
12-3-2019 at 08:40
by: PirateDocBrown |
Amateur Chemistry now vs several decades ago
Chemicals I have bought, in the last 4 years, OTC:
Wal-Mart:
Household vinegar
Hypochlorite b ... |
27-2-2019 at 12:37
by: PirateDocBrown |
An economical chain of experiments?
I totally concur about the MEK substitute.
I did a bit of research, and it turns out they only ma ... |
22-2-2019 at 21:10
by: PirateDocBrown |
Lab tips & tricks
Use sealed off pipettes or small test tubes to make ampoules to hold volatile or air/moisture sensit ... |
20-2-2019 at 19:29
by: PirateDocBrown |
Lab tips & tricks
Cut some thick rubber tubing to cushion iron rings that hold sep funnels. You don't want a funnel br ... |
20-2-2019 at 19:27
by: PirateDocBrown |
Recycling acetone after use in dry ice bath
Yep, I'd recycle it just as I recycle my wash acetone.
Vac distil, over anh. MgSO4, using a hot w ... |
20-2-2019 at 19:19
by: PirateDocBrown |
Preparation of cyanides
For Zn, look for pyrotechnic suppliers. Last I got some, it was $8 a pound, powdered.
And you can ... |
15-2-2019 at 08:09
by: PirateDocBrown |
Preparation of cyanides
You can just buy Prussian Blue. Laundry bluing is just a suspension of it, get some, dry it in an ov ... |
11-2-2019 at 08:51
by: PirateDocBrown |
Making Sodium Cyanide
Fe7(CN)18 + H3PO4 = FePO4 + HCN
That's laundry bluing, you can get it at Wal-Mart. Dry it, first. ... |
11-2-2019 at 08:46
by: PirateDocBrown |
Problems with Lithium Batteries
You get much more Li from A123 cells, if you can find them cheap enough. The chemistry is different, ... |
29-7-2018 at 01:26
by: PirateDocBrown |
Methylamine question
Don't answer homework questions. Redirect to educational materials.
And don't spoon feed on quest ... |
16-6-2018 at 11:13
by: PirateDocBrown |
Latest chemical order?
Hexamine and Potassium Chlorate. |
11-6-2018 at 09:21
by: PirateDocBrown |
Disappearance of nitroethane
Phosphorus, easy to make? Not impossible, but easy, I wouldn't say so. |
7-6-2018 at 15:06
by: PirateDocBrown |
Thermometer Adapter
Run out to the hardware store and get several O rings. They will break, as chemicals attack them ove ... |
5-6-2018 at 14:00
by: PirateDocBrown |
A round of applause for ACE Hardware. Especially ones in small cities in semi-rural areas.
One of the local ACE franchisees carries Fertilome garden chemicals (Hi-Yield). Iron, Magnesium, Alu ... |
23-5-2018 at 13:17
by: PirateDocBrown |
A round of applause for ACE Hardware. Especially ones in small cities in semi-rural areas.
Yep, my local Ace also has the same stuff, in gallon cans. I got one. I get my Rooto there, too. Ano ... |
21-5-2018 at 17:37
by: PirateDocBrown |
Looming DCM Ban (US)
I never had a problem with the thixotrope ("glop"). It seems to sinter together in a kind of pancake ... |
16-5-2018 at 19:13
by: PirateDocBrown |
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