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Trial Number 9

Trial Purpose:

To evaluate client requested products on the third supplied soil.

Date Run:

07/08/2004

Experiment Procedure:

The three cleaners were diluted to 5% using DI water in 600 ml beakers. All six products were heated to 120 F on a hot plate.
Nine preweighed titanium coupons were coated with client supplied oil, Exxon Mobil DTE Light, using a hand held swab and then weighed a second time to determine the amount of soil added. Three coupons were cleaned in each solution for 5 minutes using stir-bar agitation. Coupons were rinsed in tap water for 15 seconds at 120 F, followed by air blow off at room temperature. Once dry, coupons were weighed a final time and efficiencies for each cleaner were calculated.

Trial Results:

Two of the three products removed over 85%. The third product removed just under the 85%. The table below lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
M Aero 0.2715 0.0000 100.00
  0.2305 0.0010 99.57
  0.3331 0.0014 99.58
M Aero NS 0.1425 0.0006 99.58
  0.2562 0.0015 99.41
  0.3962 0.0002 99.95
M 400 0.2000 0.0478 76.10
  0.3585 0.0390 89.12
  0.2555 0.0279 89.08

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 three requested products will be tested on the fourth supplied soil under the same conditions.

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