Cartridge for containing a specimen sample for optical analysis

A thermal at least one sample test box body (21). The box body with the testing cavity (63) and front cavity (66), the testing liquid to the testing cavity of the front is sufficiently. The box body is provided with a lock (60), the locking with a pair of sealing (72, 74) and first sealing and testing cavities sealing when the front cavities the testing cavity inlet (65), and second lead sealing front inner wall of the (67), wherein with the lock and seat, wherein the test cavity is closed, so as to the air of the via the contamination water inlet; the front sealing cavity of similarly, so as to the overflow liquid is arranged out from the test cavity.