quimica
Páginas: 3 (611 palabras)
Publicado: 12 de noviembre de 2013
http://www.youtube.com/watch?v=tItOOpyJP5k
como hacer soluciones fosforecente con rodamina b y otros componentes aqui en el video
We show how to make glow sticks and go through all the chemicalsneeded as well as how to make different colors. We also talk about the chemistry and scientifically research a proposed mechanism.
To make the glow stick mix together the following:
10mL DiethylPhthalate (solvent)
3mg of fluorescent dye (see below)
50mg TCPO (see below)
100mg sodium acetate
3mL 30% hydrogen peroxide (add last to start reaction)
The fluorescent dye can be9,10-bis(phenylethynyl)anthracene for green, Rubrene for yellow, 9,10-diphenylanthracene for blue, and rhodamine B for red.
TCPO is expensive to buy but can be made for much cheaper by following the directionsin our previous video: http://www.youtube.com/watch?v=ViJknv...
The chemicals, including the ones to make TCPO were purchased from alfa aesar: http://www.alfa.com
The Rhodamine B and Rubrene dyeswere instead purchased from sigma Aldrich: http://www.sigmaaldrich.com/
The dyes and TCPO are carcinogenic and gloves should be worn when handling them.
The TCPO and sodium acetate amounts canbe varied considerably and still obtain good light. Smaller quantities tend to be dimmer and decay faster, while larger quantities last longer.
For those of you higher level individuals thatactually do want to know the mechanism for this process, please refer to this article: http://pubs.acs.org/doi/pdf/10.1021/j La fosforescencia es el fenómeno en el cual ciertas sustancias tienen lapropiedad de absorber energía y almacenarla, para emitirla posteriormente en forma de radiación. A aquellos elementos que ofrecen fosforescencia se les conoce como foto-reactivos, es decir que requieren luzpara obtener la propiedad, es un elemento de la foto-sensibilidad que por medio de la radiación adquieren la energía necesaria para almacenarla y exponerla posteriormente.
El mecanismo físico que...
como hacer soluciones fosforecente con rodamina b y otros componentes aqui en el video
We show how to make glow sticks and go through all the chemicalsneeded as well as how to make different colors. We also talk about the chemistry and scientifically research a proposed mechanism.
To make the glow stick mix together the following:
10mL DiethylPhthalate (solvent)
3mg of fluorescent dye (see below)
50mg TCPO (see below)
100mg sodium acetate
3mL 30% hydrogen peroxide (add last to start reaction)
The fluorescent dye can be9,10-bis(phenylethynyl)anthracene for green, Rubrene for yellow, 9,10-diphenylanthracene for blue, and rhodamine B for red.
TCPO is expensive to buy but can be made for much cheaper by following the directionsin our previous video: http://www.youtube.com/watch?v=ViJknv...
The chemicals, including the ones to make TCPO were purchased from alfa aesar: http://www.alfa.com
The Rhodamine B and Rubrene dyeswere instead purchased from sigma Aldrich: http://www.sigmaaldrich.com/
The dyes and TCPO are carcinogenic and gloves should be worn when handling them.
The TCPO and sodium acetate amounts canbe varied considerably and still obtain good light. Smaller quantities tend to be dimmer and decay faster, while larger quantities last longer.
For those of you higher level individuals thatactually do want to know the mechanism for this process, please refer to this article: http://pubs.acs.org/doi/pdf/10.1021/j La fosforescencia es el fenómeno en el cual ciertas sustancias tienen lapropiedad de absorber energía y almacenarla, para emitirla posteriormente en forma de radiación. A aquellos elementos que ofrecen fosforescencia se les conoce como foto-reactivos, es decir que requieren luzpara obtener la propiedad, es un elemento de la foto-sensibilidad que por medio de la radiación adquieren la energía necesaria para almacenarla y exponerla posteriormente.
El mecanismo físico que...
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