Apa fungsi gas pembawa dalam kromatografi gas?

Kromatografi Gas dan Spektrometri Massa

Quiz
•
Other
•
University
•
Hard
mluqman alh
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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fase gerak
Fase diam
Reaksi kimia
Pemisahan analit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan syarat gas pembawa yang baik!
Inert dan tidak bereaksi
Kemurnian tinggi
Kering
Aman
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Apa peran dari injector port dalam kromatografi gas?
Evaluate responses using AI:
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Jelaskan tentang injektor langsung pada packed column!
Evaluate responses using AI:
OFF
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Apa keuntungan dari cold on-column injection?
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenis Septum yang sering digunakan?
Red rubber (bleeding sekitar 2500 C)
Thermogreen (dapat digunakan sampai 3000 C)
High-temperature blue (dapat digunakan > 3000)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peak “hantu” yang kadang-kadang muncul dalam kromatogram GC?
Dapat terjadi jika septum sudah waktunya diganti
Pembilasan syringe tidak sempurna
Trap tidak berfungsi sehingga kontaminan masuk detektor
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