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PCE
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DIFF Subgroup
G01N 15/0211

Full Title

Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials > Investigating particle size or size distribution (by measuring osmotic pressure G01N7/10; investigating sedimentation of particle suspensions G01N15/04; investigating individual particles G01N15/10) > by optical means

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.