Pengoperasian alat HPLC
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
sri astuti
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
HPLC merupakan singkatan dari ...............
Higher Performa Liquid Chronometry
High Performance Liquid Chromatography
High Protein Liquid Chromatography
Highest Performance Liquid Chronometry
2.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
komponen yang berfungsi sebagai pemberi perintah dalam pengoperasian hplc adalah
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Pada penetapan kafein metode HPLC, menggunakan fasa diam C8 dan fasa gerak berupa campuran methanol dan aquabidest dengan perbandingan 3 : 1. Jika di laboratorium terdapat HPLC dengan tipe Low Pressure, maka hitunglah volume methanol yang diperlukan untuk membuat fasa gerak dengan perbandingan diatas sebanyak 500 mL!
300 mL
100 mL
125 mL
375 mL
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Hitunglah massa standar kafein yang diperlukan untuk membuat larutan induk kafein dengan konsentrasi 200 ppm sebanyak 100 mL!
20 gram
2 gram
0,2 gram
0,02 gram
0,002 gram
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
perhatikan gambar berikut! Komponen HPLC tersebut ialah...
pompa
fasa diam
kolom
detektor
6.
MULTIPLE SELECT QUESTION
3 mins • 5 pts
Detektor apa yang biasanya digunakan dalam HPLC?
Detektor UV-Vis
Detektor fluoresein
Detektor konduktometrik
Detektor massa
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
perhatikan gambar disamping! Nama komponen HPLC tersebut adalah...
pompa
degassing unit
reservoir
mix gradient
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