| 摘要 |
<p>The present invention provides a system of chemical analysis based upon (a) an indicator which comprises: a support member; and a plurality of indicating reagents for said substances, each of which is located in a separate zone of said member and at least two of which indicate the presence of a different concentration of said substance in solution; (b) counting of activated zones in any manner; and (c) the relationship of zones counted for any specimen tested to zones counted when a calibration solution is tested.</p> |
