INSTRUMENTAL ANALYSIS ACS EXAM
SCRIPT 2026 FULL SOLUTION QUESTIONS
AND ANSWERS BUNDLED EXAMS GRADED
A+
●● IR Source (Mono or Poly).
Answer: Nernst Glower; Globular; Incandescent: (Poly)
Laser(Mono)
●● AA Source (mono or Poly).
Answer: HCl(mono)
●● AE Source (Mono or Poly).
Answer: Plasma Falme(poly)
●● Raman Source (mono or Poly).
Answer: He/Ne Laser;Ar Laser;Yag Laser:(mono)
●● UV-Vis Sample Holder.
Answer: Quartz, Glass, Plastic Cuvettes
●● IR Sample Holder.
,Answer: salt plat; gas chamber
●● AA Sample Holder.
Answer: Graphite Tube; Flame
●● AE Sample Holder.
Answer: inductively coupled plasma (ICP)
●● Raman Sample Holder.
Answer: Cuvette
●● UV-Vis Wavelength Selector.
Answer: Grating, Prism, Filter
●● IR Wavelength Selector.
Answer: Interferometer; monochromator
●● AA Wavelength Selector.
Answer: Monochrom. w/ grating
●● AE Wavelength Selector.
Answer: Monochrom.
,●● Raman Wavelength Selector.
Answer: Monochrom. w/ grating; Infermom. w/ laser
●● UV-Vis Detector.
Answer: Photomultiplier Tube(PMT); Photodiode Array
●● IR Detector.
Answer: Thermal(dispersion); pyroelectric; photoconducting
●● AA Detector.
Answer: PMT
●● AE Detector.
Answer: PMT; Photodiode Array
●● Raman Detector.
Answer: PMT
●● HPLC Mobile Phase.
Answer: Rev Phase: Polar Solvent
Norm. Phase: Nonpolar Solvent
, ●● GC Mobile Phase.
Answer: He Gas
●● HPLC Column Length.
Answer: 10-30 cm
●● GC Column length.
Answer: 30-50 m
●● HPLC Modes of Operation.
Answer: 1. Isocratic
2. Gradient
●● GC Modes of Operation.
Answer: 1.Isothermal
2. Temp program
●● HPLC Injection System and Amount.
Answer: Loop System (10uL)
●● GC Injection Syst. and Amount.
SCRIPT 2026 FULL SOLUTION QUESTIONS
AND ANSWERS BUNDLED EXAMS GRADED
A+
●● IR Source (Mono or Poly).
Answer: Nernst Glower; Globular; Incandescent: (Poly)
Laser(Mono)
●● AA Source (mono or Poly).
Answer: HCl(mono)
●● AE Source (Mono or Poly).
Answer: Plasma Falme(poly)
●● Raman Source (mono or Poly).
Answer: He/Ne Laser;Ar Laser;Yag Laser:(mono)
●● UV-Vis Sample Holder.
Answer: Quartz, Glass, Plastic Cuvettes
●● IR Sample Holder.
,Answer: salt plat; gas chamber
●● AA Sample Holder.
Answer: Graphite Tube; Flame
●● AE Sample Holder.
Answer: inductively coupled plasma (ICP)
●● Raman Sample Holder.
Answer: Cuvette
●● UV-Vis Wavelength Selector.
Answer: Grating, Prism, Filter
●● IR Wavelength Selector.
Answer: Interferometer; monochromator
●● AA Wavelength Selector.
Answer: Monochrom. w/ grating
●● AE Wavelength Selector.
Answer: Monochrom.
,●● Raman Wavelength Selector.
Answer: Monochrom. w/ grating; Infermom. w/ laser
●● UV-Vis Detector.
Answer: Photomultiplier Tube(PMT); Photodiode Array
●● IR Detector.
Answer: Thermal(dispersion); pyroelectric; photoconducting
●● AA Detector.
Answer: PMT
●● AE Detector.
Answer: PMT; Photodiode Array
●● Raman Detector.
Answer: PMT
●● HPLC Mobile Phase.
Answer: Rev Phase: Polar Solvent
Norm. Phase: Nonpolar Solvent
, ●● GC Mobile Phase.
Answer: He Gas
●● HPLC Column Length.
Answer: 10-30 cm
●● GC Column length.
Answer: 30-50 m
●● HPLC Modes of Operation.
Answer: 1. Isocratic
2. Gradient
●● GC Modes of Operation.
Answer: 1.Isothermal
2. Temp program
●● HPLC Injection System and Amount.
Answer: Loop System (10uL)
●● GC Injection Syst. and Amount.