BÜCHI Labortechnik AG

NIR Physical Basics, Chemometrics and Life Cycle Training



Target Audience: NIR beginners, everyone dealing with NIR business.

Qualification / Prerequisites
English/German language skills; advanced IT skills; basic process and application understanding

Learning Objectives

Physical Basics

  • Understands the physical background of NIR spectroscopy
  • Understands the technology implemented in BUCHI NIRSolutions


  • Knows the features
  • Can create an application and adjust the settings
  • Can do measurements in Operator software
  • Is able to review results
  • Knows import and export function


  • Knows the features
  • Can create a cluster and quantitative calibration
  • Knows the Lifecycle concept
  • Can assign a calibration to the application
  • Knows how to do a measurement


  • Understands the background of the algorithms applied in NIRCal
  • Understands the associated statistics
  • Understands the regression methods
  • Is able to do a basic data/model interpretation

Training Content

Physical Basics

  • Basics of spectroscopy
  • Fundamentals of near-infrared spectroscopy
  • NIR technology overview
  • BUCHI FT-NIR technology
  • Polarization interferometry


  • Application designer & sample management
  • Operator software
  • Administrative tools
  • Security designer


  • Demonstration of the NIRCal software features
  • SOP for creating a calibration
  • Lifecycle concept
  • How to assign the calibration to an application
  • How to measure a sample in Operator software


  • Multiple Linear Regression
  • Principal Component Analysis
  • Principal Component Regression
  • Partial Least Squares
  • Figures of Merit of the Calibration Model
  • How to judge calibration model quality/validity

Module Duration

  • 1 day

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