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The main advantage of ATR–FTIR over transmission FTIR in forensic analysis is:

Identify which materials would produce broad O–H stretching in FTIR: (Select all that apply.)

The band around 1740 cm⁻¹ in an edible oil spectrum corresponds to:

Instrument gain controls detector signal amplification.

What are the four major sampling techniques within the FTIR? (1st letter is listed)  T[T] A[A] SR[SR] DR[DR]

Why is it important to inject multiple volumes (e.g., 1.0 µL, 2.0 µL, and 0.2 µL) of the unknown sample?

Which of the following is true about the calibration standards used in this experiment?

Which region of an FTIR spectrum is known as the “fingerprint region”?

A spectrum with aromatic bands ~1600/1500 cm^-1 AND a strong carbonyl ~1715 cm^-1 most strongly suggests:Reference spectrum provided for this question.

Choose all correct statements about ATR crystal cleaning: (Select all that apply.)