Die Suche ergab 52 Treffer
- Sonntag 11. Februar 2024, 10:12
- Forum: Publikationen
- Thema: The extraordinary world of sulphur PART 1 by Andrew Szydlo
- Antworten: 4
- Zugriffe: 633
Re: The extraordinary world of sulphur PART 1 by Andrew Szydlo
I'm so glad you enjoyed the article. According to Andrew it took him many many hours of research and performing his own experiments. Some reproduced from ancient texts. A lot had to be left out due to lack of space. It should have been a book to be honest! In PART 2 you'll find more sulphur chemistr...
- Mittwoch 31. Januar 2024, 18:02
- Forum: User-Vorstellungen
- Thema: Hallo ich bin Joel...
- Antworten: 12
- Zugriffe: 783
Re: Hallo ich bin Joel...
Hi Joel, Welcome and like you I started my university education much later in life (I was 27 when I started my Chemistry degree) and over the last few years been drifting more towards a more physics environment. I find all SCIENCE fascinating so I hope you learn a lot and know that everything is pos...
- Montag 29. Januar 2024, 16:28
- Forum: Publikationen
- Thema: The extraordinary world of sulphur PART 1 by Andrew Szydlo
- Antworten: 4
- Zugriffe: 633
The extraordinary world of sulphur PART 1 by Andrew Szydlo
Hi everyone, I know this post should be under the Publications portal but for some reason I'm unable to do so. Sorry. In any case hope you all enjoy Andrew Szydlo's latest article publication PART 1 (open access): https://sciendo.com/article/10.2478/cdem-2023-0002 There are so many things to say &am...
- Dienstag 2. Januar 2024, 19:00
- Forum: Artikelschmiede
- Thema: Perlen der Analytik – Boraxperlen, Phosphorsalzperlen und oxidierende Schmelzen
- Antworten: 36
- Zugriffe: 2265
Re: Perlen der Analytik – Boraxperlen, Phosphorsalzperlen und oxidierende Schmelzen
Making lead glass pebbles doped with different metals, transition metal salts and metal oxides: Thanks @lemmi for your interest. I'll try and write a quick summary on how to make these simple and fast lead glass pebbles. The procedure is based on this but I have tweaked the recipe and added of cours...
- Freitag 29. Dezember 2023, 10:59
- Forum: Artikelschmiede
- Thema: Perlen der Analytik – Boraxperlen, Phosphorsalzperlen und oxidierende Schmelzen
- Antworten: 36
- Zugriffe: 2265
Re: Perlen der Analytik – Boraxperlen, Phosphorsalzperlen und oxidierende Schmelzen
Magnificent article! Thank you for sharing. :thumbsup: I've done some of these beads before but using chalk sticks instead of magnesia because I did not have any. I further went on into making coloured lead glasses after that. By doping mixtures of orange lead oxide, boric acid and zinc oxide with m...
- Mittwoch 27. Dezember 2023, 11:25
- Forum: Laborgeräte
- Thema: Building Otto von Guericke's electrostatic generator
- Antworten: 40
- Zugriffe: 5800
Re: Building Otto von Guericke's electrostatic generator
So, nun es ist es so weit :wink: : https://www.youtube.com/watch?v=3cwcekm6wDQ Yes, another delightful Szydlo demo lecture about sulphur is finally available on the Ri YouTube channel. Hope you all enjoy watching it :lol: Many thanks again to @MarBs_Lab for his incredible electrostatic machine. Wis...
- Mittwoch 27. Dezember 2023, 11:14
- Forum: Laborgeräte
- Thema: Building Otto von Guericke's electrostatic generator
- Antworten: 40
- Zugriffe: 5800
Re: Building Otto von Guericke's electrostatic generator
Bei etwa 1:05:00 geht's mit der Maschine los. Leider war die Luftfeuchtigkeit im Hörsaal wohl doch ein bisschen zu hoch für überzeugende Ergebnisse. Yes, unfortunately it was & we were running out of time as well. So could not continue playing with it. On the plus side, lots of children stayed ...
- Freitag 15. Dezember 2023, 17:26
- Forum: Laborgeräte
- Thema: Building Otto von Guericke's electrostatic generator
- Antworten: 40
- Zugriffe: 5800
- Freitag 15. Dezember 2023, 17:25
- Forum: Laborgeräte
- Thema: Building Otto von Guericke's electrostatic generator
- Antworten: 40
- Zugriffe: 5800
- Mittwoch 13. Dezember 2023, 16:54
- Forum: Laborgeräte
- Thema: Building Otto von Guericke's electrostatic generator
- Antworten: 40
- Zugriffe: 5800
Re: Building Otto von Guericke's electrostatic generator
Thank you Markus for posting the photos and of course for constructing and sending the device to us. As you said the lecture was jammed-packed and it went on for almost 2 hours! The demo lecture was filmed and I will post the link when it is uploaded on the Ri YouTube Channel. Hopefully soon! szydlo...
- Dienstag 24. Oktober 2023, 11:08
- Forum: Laborgeräte
- Thema: Nachbau des Original-Faraday-Generators
- Antworten: 39
- Zugriffe: 7520
Re: Nachbau des Original-Faraday-Generators
Superb job Markus!
Once again you have made a thing of beauty.
Vorlage:
Faraday_disk_generator.jpg
Nachbau:
IMG_0490.JPG
Thank you for sharing,
A
Once again you have made a thing of beauty.
Vorlage:
Faraday_disk_generator.jpg
Nachbau:
IMG_0490.JPG
Thank you for sharing,
A
- Sonntag 15. Oktober 2023, 11:14
- Forum: Artikelschmiede
- Thema: Black flames
- Antworten: 13
- Zugriffe: 2650
- Sonntag 15. Oktober 2023, 11:12
- Forum: Artikelschmiede
- Thema: Black flames
- Antworten: 13
- Zugriffe: 2650
Re: Black flames
Very impressive pictures! Perfect for halloween - congratulations! We have this experiment already documented here . But it seems that your version of burning alcohol with sodium chloride gives more impressive results. Thank you! Yes, the flames look almost like a CGI effect. Difficult to believe u...
- Samstag 14. Oktober 2023, 19:41
- Forum: Artikelschmiede
- Thema: Black flames
- Antworten: 13
- Zugriffe: 2650
Black flames
Be afraid be very afraid of black flames! This is a great demo for Halloween. All about atomic emission and absorption spectroscopy as well as quantum theory. IMG_20231012_171011.jpg IMG_20231012_171009.jpg IMG_20231012_171012.jpg When performing flame tests in the teaching lab, we ignite ethanol wi...
- Montag 18. September 2023, 07:36
- Forum: Laborgeräte
- Thema: Building a replica of Faraday's motor
- Antworten: 3
- Zugriffe: 2825
Re: Building a replica of Faraday's motor
Just marvellous
We made a very crude version with mercury a few years ago. Not nearly as good or beautiful as this one.
Cheers,
A
We made a very crude version with mercury a few years ago. Not nearly as good or beautiful as this one.
Cheers,
A