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Trial #3

Trial #3

The purpose of this experiment was to test the effectiveness of heated ultrasonics in removing the red, white, and blue buffing compounds from aluminum and copper coupons using the cleaner Micro 90.

2020

28

2

32

33

Coupon

07/21/2020

5.00

Ultrasonics

Alicia McCarthy
Nicole Kebler

Aluminum
Copper

Buffing/Polishing Compounds

None

Air dry

Gravimetric
Visual

Nine aluminum and nine copper coupons were obtained, three for each soil: the red, white, and blue buffing compounds. The Micro 90 cleaner was prepared as a 5% concentration solution and allowed to reach a temperature of 120°F in an ultrasonic bath. Coupons were soiled with their respective buffing compounds and a soiled weight was obtained. Coupons were then submerged into the heated ultrasonic bath for five minutes. After five minutes, coupons were allowed to air dry, and a clean weight was obtained. Effectiveness of Micro 90 in cleaning each of the buffing compounds was then determined.

Substrate Buffing Compound Initial wt. of cont. Final wt. of cont. % Cont. Removed %AVG per soil %AVG total
Aluminum Red 0.0297 0.012 59.6 72.65 77.40
0.021 0.0066 68.57
0.0284 0.0029 89.79
White 0.0329 0.0073 77.81 77.57
0.0383 0.0099 74.15
0.0473 0.0091 80.76
Blue 0.0728 0.0128 82.42 81.97
0.0443 0.0097 78.1
0.0473 0.0069 85.41
Copper Red 0.009 -0.0025 127.78 110.76 106.09
0.0122 0.0001 99.18
0.0188 -0.001 105.32
White 0.0093 -0.0001 101.08 108.69
0.009 -0.001 111.11
0.0036 -0.0005 113.89
Blue 0.0282 0.0034 87.94 98.81
0.0237 -0.0012 105.06
0.0262 -0.0009 103.43

Micro 90 at a 5% concentration in a 120°F ultrasonic bath removed all three buffing compounds at a higher average on copper substrates. Red buffing was removed at an average of 110.76%, white at 108.69%, and white at 98.81% for a total average removal of 106.09%. Averages over 100% means the cleaner removed excess soil still present on the coupons before experimentation.

No relation

Name Class Section
Document Evaluation #0 Evaluation 3
Document Evaluation #1 Evaluation 3
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