Symptom: Hazing, Streaking, Incorrect Color

Possible Causes: What could cause this problem?

Improper formulation: additives or fillers; contamination, poor mixing

Sample Testing Plan: How do you measure?

  • 1. Measure directly or excise outer or inner material from sample
  • 2. Measure using diamond ATR Mid-IR or Far-IR for inorganic fillers

Data Analysis Plan: How do you identify the problem?

  • 1. Compare to reference part data and search libraries to identify differences
  • 2. Change formulation if appropriate

Recommended Configuration: What to use?

Nicolet iS50 FT-IR spectrometer