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Interpreting The Results

Chemist-Choice.gif (12829 bytes)wpe3.jpg (11152 bytes)Each pH kit tested has an evaluation box like the one to the left. A kit’s accuracy was judged based on how close the observed reading was to that of the analytical pH meter’s reading. The accuracy was then fit to a scale of 1 to 5 flasks, with 5 being the most accurate. A kit’s ease of use was judged based on many factors. A few of the factors were: 1) ease of filling the test vial, 2) ease of adding the indicator, 3) ease of comparing the sample reading to the provided pH chart, 4) ease of spilling the test vial, 5) ease of following the manufacturer’s directions, etc. Some factors were more important than others, but all of them were taken into account in evaluating the kit’s ease of use. The evaluation was then fit to a scale of 1 to 5 fish, with 5 being the most easy to use. After all of the evaluations were completed, the kit with the best overall performance and price was given the chemist’s choice award (shown above). The results were compiled into an "at-a-glance" table for easy direct comparison of specific brands and how they stacked up to each other................

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