FTIR

FTIR

Professional Development

10 Qs

quiz-placeholder

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FTIR

FTIR

Assessment

Quiz

Science

Professional Development

Practice Problem

Medium

Created by

Yanwar Pratama Putra

Used 1+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapakah range wavelength dari FTIR

0.76 um - 2 mm

0.76 um - 4 mm

0.76 um - 1 mm

0.76 um - 3 mm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut adalah tipe vibrasi molekul pada ftir, kecuali . . . .

Symmetric Streching

Scissoring

Rocking

Broading

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut merupakan pembagian Region pada Wavenumber FTIR yang benar . . .

1500 - 4000 cm-1 merupakan fingerprint region

1500 - 4000 cm-1 merupakan Mid IR Region

400 - 1500 cm-1 merupakan fingerprint region

400 - 1500 cm-1 merupakan functional groups region

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut merupakan instrumentasi FTIR yang benar . . .

Light Source , Interferometer , Sample Compartment, Detector, Data Processing

Interferometer , Light Source , Sample Compartment, Detector, Data Processing

Interferometer , Sample Compartment, Light Source , Detector, Data Processing

Light Source , Sample Compartment, Interferometer , Detector, Data Processing

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa itu Power Spectrum

Power Spectrum merupakan penunjuk daya listrik FTIR

Power Spectrum merupakan Background pada pengujian IR untuk melihat pengaruh lingkungan

Power spectrum merupakan grafik perhitungan FTIR

Power Spectrum harus lebih dari 1000x pembacaan

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mengapa FTIR harus dijaga kelembapannya

Karena FTIR tidak waterproof

Karena FTIR bahan pembuat lensanya merupakan senyawa yang rentan terhadap kelembapan

Karena FTIR tidak ada heaternya

Karena FTIR menggunakan Diamond

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mengapa sampel di FTIR tidak boleh mengandung air ?

Karena gugus OH mengganggu spektrum FTIR pada range Wavenumber gugus fungsi

Karena gugus OH mengganggu spektrum FTIR pada range Wavenumber gugus fingerprint

Karena OH dapat merusak sampel

Karena OH dapat membuat sampel teroksidasi

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