METHOD, ELEMENT AND INSTRUMENT FOR CHEMICAL ANALYSIS

摘要

PURPOSE:To prevent the defective discharge of a measuring element by the adhesion of a press contactor and measuring element by providing projections to the press contact part between an analyzing instrument and measuring element thereby forming a space. CONSTITUTION:The space is formed near the aperture on the top surface on a dropping aperture 621 side of the measuring element 62 by the press contactor 61 having the projections 612 which have a spot, line or min. area and contact the peripheral edge apart from the aperture 621 by a pressure. The press contact receiving projections 623 which receive the press contact from the press contactor 61 are otherwise provided to the peripheral edge part from the aperture 621 on the measuring element 62 side to form the space between the aperture 621 and the aperture covering cap 611 on the press contactor 61 side. The projections 612 or 623 are preferably of the shape to be parted as far as possible from the peripheral edge of the aperture 621 or to deepen the aperture 621. The sticking of a test liquid to the press contactor 621 is thereby eliminated and the hindrance of the diffusion of the test liquid to the aperture 621 and film by the capillarity between the press contactor 61 and the measuring element 62 and the viscosity resistance of the test liquid is thereby prevented.