Technical Notes & Buying Guides
Written from the bench, not the brochure
Short, referenced, practical. If an article helps you specify better or troubleshoot faster, it has done its job.
Technique selection
ATR vs transmission FTIR: which sampling technique should you choose?
The practical decision framework — by sample type, by analysis goal, and by what each technique quietly assumes about your sample.
Standard procedureHow to prepare KBr pellets that actually come out clear
The loadings, pressures and grinding discipline behind a transparent pellet — plus the troubleshooting table for every common failure.
Specification guideDiamond, ZnSe or germanium? Choosing your ATR crystal
Refractive index, penetration depth, chemistry and cost of ownership — the four numbers that settle the crystal question.
Buying guideBuying Specac FTIR accessories in India: the authorised route
Warranty, lead times, GeM procurement, import duty realities — and why the channel you buy through decides your experience for years.
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