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Trial Number 1

Trial Purpose:

To measure amount of cleaner delivered per spray.

Date Run:


Experiment Procedure:

Six clean beakers were pre-weighed. The selected cleaner was then held directly above the opening of the beaker and sprayed into each beaker for 2 seconds. The beakers were then reweighed and delivery amounts were calculated.

Trial Results:


Table 1. Beaker & Cleaner Weights

Cleaner Name Initial Wt. (g) Final Wt. (g) Cleaner Wt. (g) Average Cleaner Wt. (g)
Jenny Glass Cleaner 101.1578 102.0659 0.91 0.95
99.5196 100.3811 0.86
100.6718 101.7602 1.09
Rejoice Glass Cleaner 102.25 103.90 1.65 1.82
101.05 102.75 1.7
95.95 98.05 2.1

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.


Both systems did not deliver cleaner at similar rates. Jenny Glass Cleaner’s average cleaner weight delivered almost 1 gram less (0.95g) when sprayed for 2 seconds when compared to Rejoice Glass Cleaner’s average cleaner weight of 1.82g when sprayed for 2 seconds.

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