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Where can I buy precious metals for cheapest prices?
Below spot? Unlikely.
Jewelers and metal buyers, may pay less than spot for scrap (or used jewe ... |
12-8-2018 at 15:16
by: zed |
Where to get pyridine in UK ?
I have heard that Pyridine might not be an easy buy, here in the U.S..
Easily reduced to Piperidi ... |
6-8-2018 at 16:22
by: zed |
Looking for cheap lab glass distributor in the US.
Deschem shipments (from China) often arrive within 7 days. At least, in Portland.
Depends. |
6-8-2018 at 16:16
by: zed |
knoevenagel condensation NaOH catalyst?
http://www.orgsyn.org/demo.aspx?prep=CV1P0413
From Organic Synthesis.
In the distant past, I a ... |
4-8-2018 at 12:34
by: zed |
Hydrogenolysis of benzylic esters - looking for references
Umm. Somehow reminiscent of Alkylating Indoles, with Amido-Alcohols.
Newfangled kinda thinking. ... |
4-8-2018 at 12:23
by: zed |
Hydrogenolysis of benzylic esters - looking for references
Lots of ways to perform that reduction. Ester or not.
Commonplace is P/I2. Too easy, in fact. ... |
3-8-2018 at 15:09
by: zed |
How do you clean stubbornly dirty glassware when no solvent seems to work?
Abrasive cleaning powder?
For cleaning diner coffee pots ut Dutch Cleanser (Ajax etc.) in flask, ... |
27-7-2018 at 16:34
by: zed |
P2NP synthesis/crystalization problem
Either the Soxhlet extractor or the Dean-Stark trap, may be used to drive the reaction, in the afore ... |
27-7-2018 at 16:15
by: zed |
P2NP synthesis/crystalization problem
Try a better procedure.
https://www.thevespiary.org/rhodium/Rhodium/Vespiary/talk/files/938-Physi ... |
27-7-2018 at 15:35
by: zed |
Increasing water pump pressure using 2 pumps in series?
In series? Sure. Why not? Provided the pumps and parts, can survive the pressure differential wi ... |
26-7-2018 at 13:23
by: zed |
How should I choose glass joint size?
Umm. Deschem and Nanshin, have online E-bay stores, that you can peruse as required.
Lots of Sox ... |
16-7-2018 at 15:31
by: zed |
Choosing best reflux column & condenser to order
24/40 glassware is relatively large and sturdy. I received several 200 MM Grahams from Deschem, the ... |
16-7-2018 at 15:07
by: zed |
D.I.Y. Silicone Stoppers/Bungs ?
I have applied this type of Silicone sealant, and the solvent in it, as I remember by smell, is Glac ... |
12-7-2018 at 15:28
by: zed |
Magnet oh hotplate stirrer - does it loose stength when hot?
I have some Neodymium type stir bars. Sheathed in HDPE. I made 'em. Their original plating, was j ... |
12-7-2018 at 15:17
by: zed |
Copper Borate Synthesis and Reactions
Ummm. Recently soaked some wood with a Copper Sulfate solution, followed by a baking soda solution ... |
12-7-2018 at 14:29
by: zed |
"Unprecedented" reduction of amides
The restriction of LiAlH4 sales, predates current regulations.
Perhaps liability fears, are at th ... |
11-7-2018 at 11:25
by: zed |
hydrogenolysis with lithium aluminium hydride
What article?
Include a link. It is, in fact, kind of a rule.
Start a topic; include a refere ... |
3-7-2018 at 13:20
by: zed |
Starting from benzene...
It would be a lot easier to make Benzyl Chloride starting with Benzyl Alcohol and HCl.
The Grigna ... |
27-6-2018 at 15:45
by: zed |
Research question - reduced pyridoxylamino acids and Hello.
Me? I'd buy some fresh reagents, and make a fresh start.
Current state of purity of your reagent ... |
26-6-2018 at 18:54
by: zed |
Relocating labs ? Any experiences?
If you don't own a suitable vehicle, rent one. Pack carefully. Then, drive it yourself.
At any ... |
25-6-2018 at 16:39
by: zed |
Phenylpropanones (P2P) from anilines
There is a YouTube video on the subject.
https://www.youtube.com/watch?v=g9sPlMkYEIw&t=188s
... |
25-6-2018 at 16:09
by: zed |
Sodium Borohydride (NaBH4) For Sale! $0.50/gram
My liking for this material, involves using it, in Ethanol, to instantly reduce Chloroplatinic Acid ... |
22-6-2018 at 14:41
by: zed |
Reduction of 4-nitrobenzoic acid
Me, I'm lazy.
I like my chemistry, but Para Amino Benzoic Acid, is available as an OTC supplement ... |
22-6-2018 at 14:08
by: zed |
Cheap Alternatives to Palladium on Carbon for Heck Reaction
Ummm. Tungsten Carbide nano-particles?
WC has been explored more as an alternative to Pt... Sur ... |
20-6-2018 at 13:59
by: zed |
Confusion about Aluminium Powder Safety
Well, it is possible for problems to arise, but usually not.
Grain silo kind-of-stuff.
The sil ... |
20-6-2018 at 12:54
by: zed |
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