Category: <span>Measurement Methods</span>

Notes from the bench on real-time chemical measurement.

August 15, 2026 3 min read

What it takes to calibrate a PLS model for a real process stream

A spectrum is not a concentration. The model that connects them is the part of an inline measurement project that decides whether it works…

August 11, 2026 4 min read

A practical guide to running an RTD experiment: choosing a tracer, pulse versus step injection, deriving the E-curve, and what the mean and variance…