DIFF Main Group
G01N 7/00 Analysing materials by measuring the pressure or volume of a gas or vapour
Introduced: September 1968
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open
- G01N 7/02 by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder IPC+CPC Available in IPC and CPC
- G01N 7/10 by allowing diffusion of components through a porous wall and measuring a pressure or volume difference IPC+CPC Available in IPC and CPC
- G01N 7/14 by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference IPC+CPC Available in IPC and CPC