Cartridge with lab on paper type sensors and a method of measurement with their use

A cartridge with lab on paper type sensors, characterized in that it consists of an upper cartridge housing (6) and a lower cartridge housing (10), detachably connected by a hinge (8), which is situated on the edge of the cartridge housing (6), and a chromatography paper with the printed sensors architecture of lab on paper type (9) placed between the housings (6,10),

• wherein the upper cartridge housing (6) is divided into an outer zone, on which a slot (3) is located, to which a blister with a solvent (1) is attached by a double-sided adhesive tape (2), and an inner zone containing a centrally positioned slot (7) equipped with a porous foil (5) around which symmetrically arranged openings (4) are located,
• wherein the shape of the inner zone of the upper cartridge housing (6) corresponds to the shape of the chromatography paper (9) and the lower cartridge housing (10),
• where additional aligning elements are located on the corners of each of the elements (6, 9, 10), and on the lower cartridge housing (10), at the inner side thereof, a spacer structure (11) is located of a shape being an envelope of the area that includes the central slot (7) and openings (4)
• so that when assembled, the cartridge forms a measuring system.