The purpose of this experiment was to determine the effectiveness of 4 selected cleaners in removing Vanishing Oil from TURI zinc plated steel coupons using heated immersion.
Date Run:
09/01/2020
Experiment Procedure:
Four cleaners were prepared to the following concentrations: Liquinox 1% conc., Surface Cleanse 930 5% conc., Sta Sol ESS 160 100% conc., Smart Solve 605 100% conc. Solutions were placed onto hot plates and heated to 100°F. Three zinc plated steel coupons were obtained for each of the four cleaners. An initial weight was taken, then coupons were soiled with Vanishing Oil provided by the company and a soiled weight was recorded. Once solutions reached the proper temperature, coupons were submerged into their respective cleaners for 15 minutes. After 15 minutes had passed, coupons were removed from the solutions and dried with an air gun on the cool setting. Once coupons were dried, a clean weight was determined. A wipe step was conducted after clean weights were obtained and another weight measurement was taken to determine if wiping helped in the removal process. Effectiveness of the cleaners was then determined.
Trial Results:
Pre-wipe:
Cleaner
Initial wt. of cont.
Final wt. of cont.
% Cont. Removed
%AVG
Liquinox
0.0121
0.0033
72.73
107.72
0.0158
-0.0009
105.7
0.0076
-0.0034
144.74
Surface Cleanse 930
0.0585
0.0032
94.53
76.69
0.0164
0.011
32.93
0.023
-0.0006
102.61
Sta Sol ESS 160
0.0299
0.0045
84.95
75.16
0.02
0.0156
22
0.0135
-0.0025
118.52
Smart Solve 605
0.029
0.0063
78.28
64.72
0.0126
0.0084
33.33
0.0149
0.0026
82.55
Post-wipe:
Cleaner
Initial wt. of cont.
Final wt. of cont.
%Cont. Removed
%AVG
Liquinox
0.0121
0.0024
80.17
110.62
0.0158
-0.0011
106.96
0.0076
-0.0034
144.74
Surface Cleanse 930
0.0585
0.0038
93.50
91.64
0.0164
0.0059
64.02
0.0230
-0.0040
117.39
Sta Sol ESS 160
0.0299
0.0036
87.96
95.73
0.0200
0.0046
77.00
0.0135
-0.0030
122.22
Smart Solve 605
0.0290
0.0026
91.03
92.36
0.0126
0.0048
61.90
0.0149
-0.0036
124.16
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The wipe step aided in the removal of the Vanishing Oil. After the wipe step, all cleaners were effective in removing the soil. Liquinox removed an average of 110.62% soil, Surface Cleanse 930 removed an average of 91.64%, Sta Sol ESS 160 removed an average of 95.73%, and Smart Solve 605 removed an average of 92.36%. The next step would be to incorporate a rinse step into the experiment to replace the wipe.
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