
Ujian Teknik Pemisahan dan Instrumentasi 2024

Quiz
•
Chemistry
•
University
•
Medium
Irdhawati Irdhawati
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 3 pts
Nilai HETP berpengaruh terhadap:
Konsentrasi hasil pengukuran
Resolusi pengukuran
Tinggi puncak kromatogram
Waktu retensi
2.
MULTIPLE CHOICE QUESTION
5 sec • 3 pts
Konsentrasi analit dalam kromatogram dapat diketahui dari:
Tinggi puncak
Intensitas puncak
Luas puncak
Lebar puncak
3.
MULTIPLE CHOICE QUESTION
5 sec • 3 pts
Waktu yang dibutuhkan zat yg tidak tertahan di fase diam sampai detektor disebut:
Waktu retensi
Waktu void
Waktu aliran
Waktu retardasi
4.
MULTIPLE CHOICE QUESTION
5 sec • 3 pts
Puncak kromatogram dengan baseline yg lebar dan saling berdekatan menunjukkan:
Selektivitas kolom baik
Selektivitas kolom kurang baik
Kapasitas kolom baik
Kapasitas kolom kurang baik
5.
MULTIPLE CHOICE QUESTION
5 sec • 3 pts
Kromatografi eksklusi ukuran:
Dapat mengidentifikasi molekul dengan massa yg besar
Rentang waktu retensi panjang
Zat terlarut dapat berinteraksi dengan fase diam
Respon sangat baik untuk molekul massa rendah
6.
OPEN ENDED QUESTION
5 mins • 10 pts
Apakah perbedaan koefisien partisi dan kesetimbangan distribusi? Bagaimanakah pengaruhnya dalam proses ekstraksi zat terlarut dalam fase diam?
Evaluate responses using AI:
OFF
7.
OPEN ENDED QUESTION
5 mins • 10 pts
Jelaskan apa yang dimaksud: volume void, volume retensi, faktor selektivitas, dan faktor kapasitas.
Evaluate responses using AI:
OFF
8.
OPEN ENDED QUESTION
15 mins • 20 pts
Lengkapi angka-angka dalam tabel.
Evaluate responses using AI:
OFF
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