
Analisis Instrumen I
Quiz
•
Chemistry
•
2nd Grade
•
Hard
Nofita M.Si., Apt.
Used 18+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yang termasuk kelebihan KLT, kecuali ....
membutuhkan sedikit pelarut
biaya terjangkau
tanpa listrik
membutuhkan waktu lama
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
KLT dan KKt merupakan jenis kromatografi dengan mekanisme ...
adsorbsi
adsorbsi dan partisi
penukaran ion
eksklusi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah fungsi silika gel dalam KLT?
fase gerak
fase diam
sampel
eluen
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Untuk melakukan analisis kualitatif dengan metode KLT, maka parameter yang digunakan adalah ....
tinggi eluen dan nilai Rf
nilai Rf dan warna bercak
tinggi bercak dan besar Rf
warna bercak dan tinggi eluen
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Yang manakah yang tidak termasuk faktor yang mempengaruhi elusi noda dalam KLT?
struktur kimia senyawa yang dipisahkan
sifat dan derajat aktivitas penjerap yang digunakan
ketebalan dan kerapan penjerap
besar plat
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Adsorben yang dapat digunakan dalam KLT, kecuali ....
silika gel 254
alumina
heksana
resin
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika akan digunakan fase gerak untuk analisis KLT sebanyak 50 ml dengan menggunakan metanol : kloroform (1:3), maka berapakah masing-masing pelarut yang dibutuhkan?
12,5 ml metanol dan 37,5 ml kloroform
15 ml metanol dan 35 ml kloroform
12,5 ml kloroform dan 37,5 ml metanol
15 ml kloroform dan 35 ml metanol
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