El ensayo a la flama para la detección de los metales más comunes (sodio, calcio, estroncio, bario, potasio, cobre, magnesio, hierro) se basa en el hecho de los electrones externos de los metales o sus iones al ser calentados por la llama, experimentan transiciones electrónicas que provocan la emisión de la luz característica del espectro de emisión de cada metal.
El ensayo a la flama para la detección de los metales más comunes (sodio, calcio, estroncio, bario, potasio, cobre, magnesio, hierro) se basa en el hecho de los electrones externos de los metales o sus iones al ser calentados por la llama, experimentan transiciones electrónicas que provocan la emisión de la luz característica del espectro de emisión de cada metal.
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Plots in Neemrana Behror,NH8
Book your Plots with all reputed Builder like Gracious Group & Shyam Developer .
They are presenting new projects in Neemrana Behror on highway NH8.
Get Best Deal with us.
Best Regards,
Baburaj Patel
+91 784 005 4854
The project involves finding the intersection between major global economic and social challenges and business’s unique ability to resolve them. It is about creating value – value that endures -- through an interconnected system of stakeholders where business takes the lead
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2. OBJETIVO
Identificar los iones por medio del cambio de color de la flama al colorarlo a
fuego.
Señala cuales son las sales presentes en las sustancias.
3. Materiales
Mechero
Un vaso de precipitado
Grafito de un lápiz del numero dos
10mL de acido clorhídrico
Sales como : sodio, potacio, calcio, hierro, cobre, estroncio, manganeso,
cobalto.
4. Procedimiento
En una caja de chicles con 8 espacio , pusimos en cada espacio una muestra
de la sal.
Posteriormente apagamos la luz y prendimos el mechero. Pusimos a fuego
cada una de las sales por separado para poder identificar los iones con el
cambio de la flama.
5. Resultados
CALOR CATION
FeCl3
Cloruro ferrico
Naranja Fe +++
SrCl 2
Cloruro de estroncio
Rosa fuerte Sr
SnCl 2
Cloruro de estaño
Naranja Sn
NaCl
Cloruro de sodio
Amarillo con rojo Na+
MgCl2
Cloruro de manganeso
Colores Mn
KCl
Cloruro de potacio
Naranja K
NH4Cl
Cloruro de amonio
Azul rey NH
CaCl2
Cloruro de calcio
Verde Ca++
Cu(NO3)2
Nitrato de cobre
Verde con azul Cu++
