| abstract |
A test piece for measuring glucose in body fluid, which comprises a support having impregnated therein or coated thereon a mixture of a substance having a peroxydaselike activity of glucose oxydase activity-showing enzyme series, a buffer and, as a chromogen of the type to be oxidized, a mixture of guaiacum resin and tetrabase or the derivative thereof and, if accessary, polyvinylbutyral. |