An experiment was undertaken to determine whether filtering a detergent to remove insolubles would make any difference in the results of the spectrophotometric determination of phosphorus. Each sample was divided into two parts: one half was filtered, the other half was not, and the rest of the analysis was identical for both halves of the sample. The results from the six different detergents are: Sample Filtered, mg/L Unfiltered, mg/L A B D E F 37.1 26.4 26.2 33.2 24.3 34.7 35.2 26.0 25.7 32.8 24.7 33.1 Does filtering make any appreciable difference to the results?
An experiment was undertaken to determine whether filtering a detergent to remove insolubles would make any difference in the results of the spectrophotometric determination of phosphorus. Each sample was divided into two parts: one half was filtered, the other half was not, and the rest of the analysis was identical for both halves of the sample. The results from the six different detergents are: Sample Filtered, mg/L Unfiltered, mg/L A B D E F 37.1 26.4 26.2 33.2 24.3 34.7 35.2 26.0 25.7 32.8 24.7 33.1 Does filtering make any appreciable difference to the results?
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Transcribed Image Text:An experiment was undertaken to determine whether filtering a detergent to remove insolubles would make any
difference in the results of the spectrophotometric determination of phosphorus. Each sample was divided into
two parts: one half was filtered, the other half was not, and the rest of the analysis was identical for both halves
of the sample. The results from the six different detergents are:
Sample
Filtered, mg/L
Unfiltered, mg/L
A
B
D
E
F
37.1
26.4
26.2
33.2
24.3
34.7
35.2
26.0
25.7
32.8
24.7
33.1
Does filtering make any appreciable difference to the results?
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