
Repaso Cromatografía
Authored by Lilian Steffi Ayala Quispe
Chemistry
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué parámetro cromatográfico permite evaluar la eficiencia de una columna?
Ancho del pico (W)
Número de platos (N)
Resolución de la columna (Rs)
Volumen de retención (Vr)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué representa el parámetro Rs (resolución)?
La cantidad de picos presentes en el cromatograma
La polaridad de la fase móvil
La selectividad de la columna
La capacidad para separar dos analitos
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Indique que punto corresponde al tiempo muerto
1
2
3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué fórmula se utiliza para calcular la resolución Rs cuando se conocen los tiempos de retención y anchos de los picos?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Un pico tiene un ancho a la base (W) de 0,5 min y un tiempo de retención de 5 min. Calcula el número de platos teóricos (N).
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si Rs = 1 entre dos picos, ¿qué se puede decir sobre su separación?
La separación es excelente
Hay fusión completa
Los picos están parcialmente separados
Están completamente resueltos
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