A method for analyzing antigen or antibody contained in a sample by introducing a first end surface of at least one measuring light guide member and a second end surface of at least one reference light guide member in the sample. Each of said measuring and reference light guide membe
An electrolyte in a sample is stably measured by using an automatic biochemical analyzing apparatus wherein a flame photometer is assembled, which comprises a sample pipetting and delivering member, a reagent liquid delivering member, reaction cups charging the sample delivered through t
A measuring vessel for analysis utilizing a fixed enzyme is disclosed. This vessel has an inner peripheral surface at least a part of which being provided with at least one fixed enzyme, and a movable bottom portion. By applying this measuring vessel to automatic biochemical analyzing
