Sampling Preparing specimens for investigation

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

G01N1/00Sampling Preparing specimens for investigation

G01N1/02Devices for withdrawing samples G01N1/04in the solid state G01N1/06providing a thin slice G01N1/08involving an extracting tool G01N1/10in the liquid or fluent state G01N1/12Dippers Dredgers G01N1/125adapted for sampling molten metals G01N1/14Suction devices G01N1/1409adapted for sampling molten metals G01N1/16with provision for intake at several levels G01N1/18with provision for splitting samples into portions G01N1/20for flowing or falling materials G01N1/2035by deviating part of a fluid stream G01N1/2042using a piston actuated by the pressure of the liquid to be sampled G01N1/22in the gaseous state G01N1/2202involving separation of sample components during sampling G01N1/2205with filters G01N1/2208with impactors G01N1/2211with cyclones G01N1/2214by sorption G01N1/2226Sampling from a closed space G01N1/2247Sampling from a flowing stream of gas G01N1/2252in a vehicle exhaust G01N1/2258in a stack or chimney G01N1/2273Atmospheric sampling G01N1/2294Sampling soil gases or the like G01N1/24Suction devices G01N1/26with provision for intake from several spaces G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere G01N1/2806Means for preparing replicas of specimens G01N1/2813Producing thin layers of samples on a substrate G01N1/2853Shadowing samples G01N1/286involving mechanical work G01N1/30Staining Impregnating Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis G01N1/31Apparatus therefor G01N1/312for samples mounted on planar substrates G01N1/32Polishing Etching G01N1/34Purifying Cleaning G01N1/36Embedding or analogous mounting of samples G01N1/38Diluting, dispersing or mixing samples G01N1/40Concentrating samples G01N1/4005by transferring a selected component through a membrane G01N1/4022by thermal techniques; Phase changes G01N1/4044by chemical techniques; Digestion; Chemical decomposition G01N1/405by adsorption or absorption G01N1/4055by solubility techniques G01N1/4077by other techniques involving separation of suspended solids G01N1/42Low-temperature sample treatment G01N1/44Sample treatment involving radiation