Investigating characteristics of particles Investigating permeability, pore-volume, or surface-area of porous materials

GPHYSICS G01Measuring instruments G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

G01N15/00Investigating characteristics of particles Investigating permeability, pore-volume, or surface-area of porous materials

G01N15/02Investigating particle size or size distribution G01N15/0205by optical means G01N15/0211Investigating a scatter or diffraction pattern G01N15/0227using imaging G01N15/0255with mechanical G01N15/0266with electrical classification G01N15/0272with screening; with classification by filtering G01N15/04Investigating sedimentation of particle suspensions G01N15/042by centrifuging and investigating centrifugates G01N15/05in blood G01N15/06Investigating concentration of particle suspensions G01N15/0606by collecting particles on a support G01N15/0612Optical scan of the deposits G01N15/0618of the filter type G01N15/0625Optical scan of the deposits G01N15/0631Separation of liquids G01N15/0637Moving support G01N15/0643of the filter type G01N15/065using condensation nuclei counters G01N15/0656using electric G01N15/08Investigating permeability, pore-volume, or surface area of porous materials G01N15/0806Details G01N15/082Investigating permeability by forcing a fluid through a sample G01N15/0826and measuring fluid flow rate G01N15/088Investigating volume, surface area, size or distribution of pores; Porosimetry G01N15/0886Mercury porosimetry G01N15/0893by measuring weight or volume of sorbed fluid G01N15/10Investigating individual particles G01N15/1012Calibrating particle analysers; References therefor G01N15/1031by measuring electrical or magnetic effects thereof G01N15/1056Micro-structural devices for other than electro-optical measurement G01N15/12Coulter-counters G01N15/1209Details G01N15/1218concerning the aperture G01N15/1227Circuits G01N15/1245Devices using more than one aperture G01N15/14Electro-optical investigation G01N15/1404Fluid conditioning in flow cytometers G01N15/1425using an analyser being characterised by its control arrangement G01N15/1427with the synchronisation of components, a time gate for operation of components, or suppression of particle coincidences G01N15/1429using an analyser being characterised by its signal processing G01N15/1431the electronics being integrated with the analyser G01N15/1434using an analyser being characterised by its optical arrangement G01N15/1436the optical arrangement forming an integrated apparatus with the sample container G01N15/1456without spatial resolution of the texture or inner structure of the particle G01N15/1459the analysis being performed on a sample stream G01N15/1463using image analysis for extracting features of the particle G01N15/1468with spatial resolution of the texture or inner structure of the particle G01N15/147the analysis being performed on a sample stream G01N15/1475using image analysis for extracting features of the particle G01N15/1484micro-structural devices