Ink Examination

What is the primary purpose of ink analysis in forensic science?

• Determine the authenticity of documents

• Identify ink manufacturers

• Analyze handwriting

• All of the above

Which technique is commonly used to separate ink components in forensic analysis?

• Thin-layer chromatography

• Mass spectrometry

• Gas chromatography

• X-ray diffraction

In forensic ink analysis, what does Rf value refer to?

• Retention factor in chromatography

• Relative frequency of ink occurrence

• Replication factor for ink consistency

• Refraction factor in ink

What is the purpose of using infrared spectroscopy in ink analysis?

• Identify chemical composition of ink

• Measure ink flow rate

• Determine ink viscosity

• Assess ink color

When examining ink under a microscope, what does a high viscosity of ink indicate?

• Slow drying ink

• Fast drying ink

• High pigment concentration

• Low pigment concentration

How does UV-visible spectroscopy contribute to ink examination in forensic science?

• Analyze ink color and dye components

• Determine ink age and degradation

• Detect ink forgery

• Measure ink volume

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which property of ink is critical in determining its adhesion to paper?

• Binder composition

• Pigment color

• Solvent type

• Ink viscosity

What is the most common solvent used for ink analysis via thin-layer chromatography?

• Ethanol
  

• Acetone

• Methanol

• Isopropanol

In forensic ink analysis, what can the examination of ink's surface morphology reveal?

• Pen pressure used

• Ink color

• Ink viscosity

• Ink composition

What role does electron microscopy play in ink examination in forensic science?

• Analyze ink particle size and distribution

• Determine ink drying time

• Measure ink flow rate

• Assess ink color consistency