
cromatografía de líquidos HPLC/UPLC
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Professional Development
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. ¿Cuál es el principio de la cromatografía?
a) Separación por pka de la fase móvil
b) Separación por afinidades diferenciales
c) Separación por flujo forzado
A y B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿ Expresa el número de platos teóricos, métrica clave para cuantificar la eficiencia de una separación.?
a) Factor de capacidad (k’)
b) Eficiencia (N)
c) Factor de asimetría (As)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. La migración de HPLC a UPLC/UHPLC es:
a) Lineal
b) Geométrica
c) Aritmética
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Un ácido, a un pH menor que su pka ¿se encuentra?
a) Ionizado
b) No ionizado
c) Neutro
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. La fase estacionaria C18 se caracteriza por:
a) Tener una alta polaridad
b) Ser muy hidrofóbica
c) Alta acidez
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Una base, a un pH menor que su pka ¿se encuentra?
a) Ionizada
b) No ionizada
c) Neutra
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. ¿Efecto que se presenta sobre el paso irregular de la fase móvil dentro de la columna?
a) Método Tanaka
b) Difusión tipo Eddy
c) Fuerzas de Van Der Waals
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