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Trial Number 0
Trial Purpose:
To evaluate effectiveness of the provided cleaners in regards to removing supplied gel and oils from stainless steel.
Date Run:
08/08/2019
Experiment Procedure:
Three pre-weighed stainless-steel coupons were coated with each soil using a swab and allowed to air dry (68 F) for 24 hours. Dirty weights were recorded before immersing coupons into the provided cleaners provided by the company at room temperature (68 F) for two minutes. Coupons were rinsed in a de-ionized water bath for one minute and dried for 24 hours before recording the final weights.
Trial Results:
SuperNova Extreme Detergent did not efficiently remove the supplied gel and oils from stainless steel coupons gravimetrically or visually. The contaminant, supplied gel, was clear, therefore there was no visual change in the cleaner as the substrates were immersing. While the substrates contaminated with Houghto-Draw 7060 were being immersed, SuperNova Extreme Detergent (1 oz/gal) visually changed cloudy showing an indication of some contaminant removal. While the substrates contaminated with Mobil SHC 634 were being immersed in SuperNova Extreme Detergent (1 oz/gal), the soil floated to the top of the cleaner. Once the coupons were rinsed and air dried, there was still residue on the surfaces.
Table of Gravimetric Results
Cleaner
Soil
Initial wt of cont.
Final wt of cont.
%Cont Removed
% Average
Overall % Average
SuperNova Extreme Detergent (1 oz/gal)
Supplied Gel
0.0549
0.0204
62.84
63.69
40.26
0.0588
0.0205
65.14
0.0699
0.0258
63.09
Houghto-Draw 7060
0.3342
0.1732
48.17
44.88
0.4318
0.2998
30.57
0.4218
0.1860
55.90
Mobil SHC 634
0.4568
0.4117
9.87
12.21
0.3346
0.3336
0.30
0.6530
0.4803
26.45
SuperNova Extreme Detergent (0.5 oz/gal)
Supplied Gel
0.0697
0.0335
51.94
57.06
57.06
0.0718
0.0331
53.90
0.0401
0.0139
65.34
Success Rating:
A cleanliness study, addressing only various analytical techniques.
Conclusion:
The cleaner, SuperNova Extreme Detergent, at 100% and 50% concentrations, was not effective in removing supplied gel and oils from stainless steel coupons with overall average removals of 40.26% and 57.06%, respectively. The results were verified with visual observations.
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