To test the effectiveness of Clorox Liquid Bleach in the removal of Hucker's Soil from various substrates.
Date Run:
07/14/2021
Experiment Procedure:
A Clorox Liquid Bleach solution was created by mixing 4 (mL) parts liquid bleach and 192 (mL) parts water. Then, 3 coupons of each substrate (ceramic, plastic, painted metal) were collected and initial weights were taken. Hucker's Soil (Creamy Peanut Butter, Salted Butter, Wheat gluten, Egg Yolk, Evaporated milk, DI water, Printer's ink with boiled linseed oil, India Ink, Saline Solution) was applied to each coupon and allowed to air dry for 2 hours. After the 2 hour dry time, the weights of the newly contaminated coupons were measured. All coupons were placed into a Gardner-scrub Abrasion Tester machine. Wypall cleaning cloths were attached to each of the 3 cleaning blocks used for the test. Each Wypall cloth and all coupons received 2 sprays of the Clorox Liquid Bleach solution and the Gardner-scrub Abrasion Tester was run for 20 repetitions, simulating 20 manual wipes. Once cleaning concluded, the cleaned coupons were allowed to air dry for 24 hours. After 24 hours, the weights of the cleaned coupons were measured.
Trial Results:
Cleaner
Substrate
Initial wt of cont.
Final wt of cont.
%Cont Removed
% AVG
% Overall
Clorox Liquid Bleach
Ceramic
0.1420
0.0010
99.30
92.23
89.48
0.1737
0.0028
98.39
0.1974
0.0528
73.25
Plastic
0.3904
0.0079
97.98
83.46
0.4051
0.0071
98.25
0.3577
0.1640
54.15
Painted Metal
0.3207
0.0082
97.44
92.75
0.2871
0.0170
94.08
0.6383
0.0848
86.71
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Clorox Liquid Bleach was effective in removing Hucker's Soil from ceramic, plastic, and painted metal substrates.
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