edited by
Inventory Control
JOE
RICH
Blackhawk Christian School Fort Wayne. IN
An Inexpensive Pocket Reflectometer for Semiquantitative Spot Test Analyses Ekkehard Diemann University of Bielefeld D-4800 Bielefeld 1 West Germany
Test strip analysis has gained much interest in a series of applications, e.g., environmental tests, drinking water control, and clinical chemistry, due to its simple and straightforward operation. A major disadvantage of this method is its limited accuracy when the evaluation is done visually vs. a colorimetric scale. We have now succeeded in building a pocket-size, batterv-operated, and inexpensive (all arts
