Q 11 Synthesis of azo dyes
The synthesis of the azo dye orange 2 is discussed. The mechanism is explained. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Search results for “cloth dyes”
Making a Glowing Dye from Cherry Flavoring
Head to https://squarespace.com/amateurchemistry to save 10% off your first purchase of a website or domain using code AMATEURCHEMISTRY In this video I follow an obscure synthesis to turn benzaldehyde into a fluorescent dye with a 33-letter name using cool reagents like bromine and UV light while r
Mauvein: The Invention of the First Synthetic Dye
In the mid-19th century, chemical assistant Henry Perkin was looking for an synthetic substitute for an antimalarial drug. But instead of quinine, he produces the first synthetic dye: mauveine. An accidental product! Authors: ZDF/Terra X/T. Schrader/J. Koester/F. Steinhardt/Moods in Pictures/Maximi
Q 11 Azo dyes as indicators
Using methyl orange as an example, the function of acid-base indicators is briefly explained. At the end, the different colours are discussed. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.
Indicators | Chemical Tests | Chemistry | FuseSchool
Learn the basics about Indicators, more specifically for acid and bases. An indicator is a large organic molecule that works somewhat like a " color dye". Find out more in this video! This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY
The price of beauty - fashion and the impact on people and the environment
We live in a time of "fast fashion. Every German buys an average of twelve kilograms of clothing a year. Unfortunately, the price tag doesn't say the impact a cheap T-shirt has on people and the environment. Our explainer video illustrates this impact and offers solutions for the sustainable use
UV tips for euro2024
Tomorrow the EURO 2024 starts and we go into the second round of our UV tips for watching football outside. This time the clothes are in the focal point, because if you can't avoid UV radiation, it's the second best solution, to cover as much skin as possible. The next UV tip will be on June 21,
Day #2: Entwicklungspolitische Diskussionstage 2021 (Englisch)
The emperor´s fair clothes - Are labels and due diligence key to more sustainability? With: - Anosha Wahidi (Referatsleiterin nachhaltige Lieferketten und Standards, Bundesministerium für Wirtschaftliche Zusammenarbeit und Entwicklung/BMZ) - Christian Schader (Leiter Gruppe Nachhaltigkeit, FiBL-Fo
What Makes Things Alkali? | Acids, Bases & Alkali's | Chemistry | FuseSchool
Learn the basics about What makes things alkali? How is alkali recognized? What are alkali chemical properties? Find out more in this video! This video is part of 'Chemistry for All' - a Chemistry Education project by our Charity Fuse Foundation - the organisation behind The Fuse School. These vide
How do face masks and respirators work?
How do face masks and respirators prevent you from breathing in harmful particles? As respiratory protection against coronavirus becomes increasingly important, Risk Bites dives into the science of face masks and respirators, and explores what makes for good protection, whether it’s a professional
What Are Designer Polymers | Organic Chemistry | Chemistry | FuseSchool
Learn the basics about what designer polymers are, some examples of them, and how chemical properties are used to perform a particular function. Polymers have been around for a long time. Some of the commonly named examples are found in clothes, things like nylon, polyesters and acrylic. Others ar
Q 11 Auxochromes and antiauxochromes
In this screencast, the effects of auxochrome and antiauxochrome on a chromophore are described. As an introduction, a polyene is compared with a cyanine. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.