| http://www.w3.org/ns/prov#value | - The proportions of the chemically treated areas to the untreated areas of the paper test strip are not critical, and it is therefore not to be construed that these areas are limited to those proportions indicated in the drawings. in one specific embodiment of this invention, the paper test strip shown in FIG. 1 can be prepared and utilized in the testing procedure in the following manner: l.
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