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Water Pump Choice for Nalgene Aspirator
Water pumps for medium/large aquariums or small fountains usually work and are cheap. |
20-2-2023 at 13:54
by: Mateo_swe |
Any recommended vendors in the Ukraine?
No items?
I see 354 items listed.
Li, Na metals, lots of chemicals and stuff.
https://www.ebay.co ... |
20-2-2023 at 13:39
by: Mateo_swe |
Any recommended vendors in the Ukraine?
I ordered some stuff from ebay seller reagent007 in Ukraine before the war started.
He got lots of ... |
20-2-2023 at 07:08
by: Mateo_swe |
Insufficient power for heater - stirrer ?
So many hotplate stirrers that are just no good.
I have one of these orange Maple Scientific hotpla ... |
20-2-2023 at 06:25
by: Mateo_swe |
DIY homemade hydrothermal crystallization device
Intresting to see if you can make this work, please post any results. |
9-2-2023 at 06:42
by: Mateo_swe |
What causes salt to melt ice?
Hmm, i have been thinking about this salt/ice mix.
We all know the temperature goes down if adding ... |
9-2-2023 at 06:29
by: Mateo_swe |
What is this acid? Can I use a substitute?
When doing chemical experiments you want a pure reagent that isn't mixed with other stuff because th ... |
8-2-2023 at 13:28
by: Mateo_swe |
Meat thermometer as lab thermormeter substitute
Its generally a bad idea to use kitchen stuff used for cooking in chemical experiments.
Even if its ... |
8-2-2023 at 07:56
by: Mateo_swe |
Meat thermometer as lab thermormeter substitute
Why use kitchen stuff?
Get one of these, cost 5Euros or dollars.
You can put the tip in a glass tu ... |
7-2-2023 at 15:15
by: Mateo_swe |
Bad pH paper, or?
So i did put my prepared L-Glutamic acid in an crystallizing dish and heated it on a hotplate to abo ... |
7-2-2023 at 14:08
by: Mateo_swe |
Suitable manometer
Be aware that the thermometer in your drawing, if not secured enough can shoot down the condenser an ... |
6-2-2023 at 04:20
by: Mateo_swe |
Fortifying UV curing 3d printer acrylic resin with polyester resin?
Ok, but its quite cool to make a DIY resin and cheaper too. |
6-2-2023 at 03:05
by: Mateo_swe |
Bad pH paper, or?
Aha, that would explain the fast drop in pH and maybe thats what affected the pH papers too.
Accord ... |
6-2-2023 at 02:59
by: Mateo_swe |
Suitable manometer
Those sets with vacuum pump and a vacuum vessel is for degassing epoxy and polyurethane glues so the ... |
5-2-2023 at 10:43
by: Mateo_swe |
Synthesis of RDX through Bachmann process
I suggest you start with some easier energetics and get some experience with those first.
But you m ... |
5-2-2023 at 08:38
by: Mateo_swe |
Suitable manometer
The round common vacuum gauges (the pic i posted in my post erlier in this thread) is the easiest to ... |
5-2-2023 at 08:32
by: Mateo_swe |
Bad pH paper, or?
Yeah it quite strange.
The pH papers are full spectrum 1-14pH but maybe it was mislabeled. They are ... |
5-2-2023 at 07:58
by: Mateo_swe |
melting point apparatus - ebay
Looks like a nice unit but the Stuart SMP-3´s i find on auction sites are at 1200 to 1800Euros used ... |
4-2-2023 at 15:28
by: Mateo_swe |
Fortifying UV curing 3d printer acrylic resin with polyester resin?
I doubt it would cure the polyester resin because if it did you would have seen polyester based resi ... |
4-2-2023 at 15:12
by: Mateo_swe |
Bad pH paper, or?
So i was making some glutamic acid from MSG, monosodium glutamate.
I dissolved 93.5 grams (0.5mol) ... |
4-2-2023 at 15:02
by: Mateo_swe |
Help identifying electrolysis products
If you want hydrogen peroxide you can concentrate the commonly avaliable 3% H2O2 by evaporating the ... |
3-2-2023 at 03:32
by: Mateo_swe |
Suitable manometer
So if a DIY U-shaped glass manometer filled with merqury is made to be used as a vacuum gauge it mus ... |
3-2-2023 at 03:10
by: Mateo_swe |
Rotovaps , Rotovaps , Rotovaps ,
And you are in US? Europe?
1200 what currency, US, Euros? |
1-2-2023 at 04:06
by: Mateo_swe |
Catalyst preparation dumb question
Do you have a Parr hydrogenator?
Hydrogenations are a quite complex procedure, you should have a bi ... |
30-1-2023 at 04:53
by: Mateo_swe |
Preparation of pyrrolidine via decarboxylation of l-proline
Added a paper "Organocatalytic decarboxylation of amino acids as a route to biobased amines and amid ... |
29-1-2023 at 12:57
by: Mateo_swe |
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