CPC Subgroup
G01N 21/01 Arrangements or apparatus for facilitating the optical investigation
Full Title
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light (G01N3/00 - G01N19/00 take precedence) > Arrangements or apparatus for facilitating the optical investigation
9 direct subcodes
Child Classifications
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- G01N 21/03 Cuvette constructions
- G01N 21/11 Filling or emptying of cuvettes
- G01N 21/13 Moving of cuvettes or solid samples to or from the investigating station
- G01N 21/15 Preventing contamination of the components of the optical system or obstruction of the light path