A tester for detecting a substance in a body fluid comprises a test piece containing an indicator intended for detection by a substance of interest present in a specimen by virtue of peroxidase reaction, peroxidase-like reaction, or diazo coupling reaction and adapted to assume color in density corresponding to the concentration of the substance and a transparent or semi-transparent oxidizer film when the film is contacted with a liquid containing the substance formed on the surface of said test piece and containing an oxidizing agent in an amount of 0.9 to 15 m.mols, per unit area (m2) of said test piece.
一种用于检测体液中某种物质的测试仪,包括一个测试片,其中含有一种指示剂,用于通过
过氧化物酶反应、
过氧化物酶样反应或重氮偶联反应检测试样中存在的相关物质,并能根据物质的浓度呈现相应密度的颜色;还包括一层透明或半透明的氧化剂薄膜,当薄膜与形成在所述测试片表面的含有该物质的液体接触时,该薄膜会呈现相应的颜色,所述测试片的单位面积(平方米)上含有的氧化剂的量为 0.9 至 15 毫摩尔。