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FTIR LEARNING SERIES

FTIR Learning Series — 60 episodes from basics to applications

A structured path through infrared spectroscopy: principles, instruments, industry applications, advanced methods, and open tools. 60 episodes listed.

Canonical pages live under /learn/ir/. Functional-group evidence links go to /ir/group/ and /ir/peak/.

Episode index

  1. Ep 01 — Ep 01 — What is Infrared Light? From Visible to the Invisible World
  2. Ep 02 — Ep 02 — Why Do Molecules "Eat" Light? The Nature of Molecular Vibrations and Infrared Absorption
  3. Ep 03 — Ep 03 — The Dipole Moment Rule — Not All Vibrations Can Be 'Seen'
  4. Ep 04 — Ep 04 — How to Read an Infrared Spectrum? Basic Concepts of X-axis, Y-axis, and Peaks
  5. Ep 05 — Ep 05 — Functional Groups and Characteristic Absorption Frequencies (Part 1): C=O, O-H, N-H
  6. Ep 06 — Ep 06 — Functional Groups and Characteristic Absorption Frequencies (Part 2): C-H, C≡N, C-O-C, etc.
  7. Ep 07 — Ep 07 — The Fingerprint Region: The Molecule's 'ID Card'
  8. Ep 08 — Ep 08 — Classic Textbook Exam Questions: Typical Molecular Spectrum Interpretation
  9. Ep 09 — Ep 09 — Infrared vs Raman: Both Vibrational Spectroscopy, What's the Difference?
  10. Ep 10 — Ep 10 — Summary and Self-Test for Beginners: Can You Read an Infrared Spectrum Now?
  11. Ep 11 — Ep 11 — Dispersive IR vs Fourier Transform Infrared: Why FTIR Won?
  12. Ep 12 — Ep 12 — Michelson Interferometer: The Heart of FTIR
  13. Ep 13 — Ep 13 — Introduction to Sampling Techniques: Transmission Method (KBr Pellet, Liquid Cell, Thin Film)
  14. Ep 14 — Ep 14 — Introduction to Sampling Techniques: ATR (Attenuated Total Reflectance) — The Most Common Modern Method
  15. Ep 15 — Ep 15 — ATR vs Transmission: When to Use Which?
  16. Ep 16 — Ep 16 — Sample Preparation Practice and Common Mistakes
  17. Ep 17 — Ep 17 — Basic Instrument Operating Procedure (General FTIR)
  18. Ep 18 — Ep 18 — Spectral Processing Basics: Baseline Correction, Smoothing, Normalization
  19. Ep 19 — Ep 19 — Introduction to Qualitative Analysis: Library Search and Matching
  20. Ep 20 — Ep 20 — Introduction to Quantitative Analysis: Lambert-Beer Law
  21. Ep 21 — Ep 21 — Pharmaceutical Industry: API Identification and Quality Control
  22. Ep 22 — Ep 22 — Pharmaceutical Industry: Drug Crystal Form Analysis and Polymorphism Detection
  23. Ep 23 — Ep 23 — Polymer Industry: Plastic Identification and Blend Analysis
  24. Ep 24 — Ep 24 — Polymer Industry: Degradation and Aging Assessment
  25. Ep 25 — Ep 25 — Food Industry: Adulteration Detection (Milk, Honey, Olive Oil)
  26. Ep 26 — Ep 26 — Food Industry: Food Packaging Migration and Microplastic Detection
  27. Ep 27 — Ep 27 — Environmental Monitoring: Detection of Pollutants in Water and Soil
  28. Ep 28 — Ep 28 — Environmental Monitoring: Atmospheric Gas Monitoring and Emission Source Identification
  29. Ep 29 — Ep 29 — Petrochemical: Oil Analysis and Fuel Quality
  30. Ep 30 — Ep 30 — Coatings and Inks: Composition Analysis and Quality Control
  31. Ep 31 — Ep 31 — Forensic Science & Criminal Investigation: Fiber, Paint, Drug Analysis
  32. Ep 32 — Ep 32 — Cultural Heritage Conservation: Identification of Pigments, Binders, and Substrates
  33. Ep 33 — Ep 33 — Biomedical: Infrared Spectral Diagnosis of Tissues and Body Fluids
  34. Ep 34 — Ep 34 — Semiconductors and Electronics: Surface Contamination and Thin Film Analysis
  35. Ep 35 — Ep 35 — Agriculture and Soil: Organic Matter Content and Fertilizer Analysis
  36. Ep 36 — Ep 36 — Micro-FTIR: Seeing the Chemical Information of the Microworld
  37. Ep 37 — Ep 37 — FPA Focal Plane Array Imaging: High-Throughput Chemical Imaging
  38. Ep 38 — Ep 38 — Synchrotron Infrared Light Source: Ultra-Bright, Ultra-Resolution
  39. Ep 39 — Ep 39 — O-PTIR: Sub-micron Chemical Imaging
  40. Ep 40 — Ep 40 — Time-Resolved Infrared Spectroscopy: Tracking Reaction Kinetics
  41. Ep 41 — Ep 41 — Two-Dimensional Correlation Spectroscopy (2D-COS): A Powerful Tool for Resolving Overlapping Peaks
  42. Ep 42 — Ep 42 — Hyphenated Techniques: TGA-FTIR, GC-FTIR, LC-FTIR
  43. Ep 43 — Ep 43 — Chemometrics: PCA, PLS and Multivariate Analysis
  44. Ep 44 — Ep 44 — Machine Learning in Infrared Spectroscopy
  45. Ep 45 — Ep 45 — In-situ/Operando Infrared Spectroscopy: Catalytic Reaction Mechanism Research
  46. Ep 46 — Ep 46 — Mainstream FTIR Brand Comparison (Part 1): Thermo Fisher, Bruker
  47. Ep 47 — Ep 47 — Mainstream FTIR Brand Comparison (Part 2): PerkinElmer, Shimadzu, JASCO, Agilent and Domestic Instruments
  48. Ep 48 — Ep 48 — Buying Guide: How to Choose an FTIR Instrument Based on Your Needs
  49. Ep 49 — Ep 49 — Accessory Systems: ATR Crystals, DRIFTS, Gas Cells, Specular Reflection & More
  50. Ep 50 — Ep 50 — Instrument Daily Maintenance and Performance Verification (ASTM Standards)
  51. Ep 51 — Ep 51 — Common Troubleshooting and Real-World Pitfalls
  52. Ep 52 — Ep 52 — Commercial Software Review: OMNIC, OPUS, Spectrum, etc.
  53. Ep 53 — Ep 53 — Open-Source Tools (Part I): SpectroChemPy, pybaselines
  54. Ep 54 — Ep 54 — Open Source Tools (Part 2): HyperSpy, Orange-Spectroscopy
  55. Ep 55 — Ep 55 — Open Spectral Databases: NIST WebBook, SDBS, EPA, and More
  56. Ep 56 — Ep 56 — ftirfun Tool Tips and Practical Cases: Your Online IR Lab
  57. Ep 57 — Ep 57 — Fun Case Collection (Part 1): Infrared in Space - JWST and Mars Exploration
  58. Ep 58 — Ep 58 — Fun Case Compilation (Part 2): Art Authentication, Archaeological Discoveries, Forensic Stories
  59. Ep 59 — Ep 59 — Community Innovations and Open-Source Projects: The Spectral Geeks on GitHub
  60. Ep 60 — Ep 60 — Series Summary and Learning Roadmap: From Beginner to Expert
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