Single-particle optical sensing (SPOS) was originally developed for the field of particulate contamination analysis. Particles in a liquid suspension flow through a small "photozone", a narrow, ...

Some professionals working with particle counters believe it to be necessary to divide the particle counts of non-volumetric particle counters by the counting efficiency (CE) at the lower limit when ...

This is especially relevant given the recent revision to EU Annex 1 – Manufacture of Sterile Medicinal Products (2022). The Technical Report (TR) outlines how particle counters are used to monitor and ...

The latest instruments could be provided by a new vendor or the existing manufacturer. It is common for new models to be sourced due to product obsolescence or enhanced specifications, even when the ...