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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 |
Pepper to Piperine problem If the end goal of piperine extraction is to make piperonal maybe another route is easier.
De-methy ... |
28-1-2023 at 12:16 by: Mateo_swe |
Confusion on SO3 Synthesis Have you read Len´s book "Small-scale Synthesis Of Laboratory Reagents"?
Chapter 20 - Sulfur Triox ... |
26-1-2023 at 06:21 by: Mateo_swe |
Preparation of Thalidomide Very nice!
OK, you used urea and not thiourea.
Thiourea is said to give better yields, if you ca ... |
25-1-2023 at 12:54 by: Mateo_swe |
Phthalic anhydride by thermal decomposition of phthalic acid (Photo-essay) Nicely done and a excellent write-up. |
23-1-2023 at 14:00 by: Mateo_swe |
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