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Kromatografi Gas dan Spektrometri Massa

Authored by mluqman alh

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Kromatografi Gas dan Spektrometri Massa
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42 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa fungsi gas pembawa dalam kromatografi gas?

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:

OFF

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?

Evaluate responses using AI:

OFF

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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