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Trial Number 1

Trial Purpose:

To evaluate effectiveness of the provided cleaners in regards to removing synthetic blood from stainless steel.

Date Run:

10/26/2017

Experiment Procedure:

Fifteen pre-weighed stainless steel coupons were soiled with synthetic blood using a swab, and allowed to air dry for 24 hours before recording dirty weights. Five cleaners were prepared using the specified dilutions and temperature: Super Nova.1 NpHD (0.8ml/1L at 160F), Biogone (33% dilution at room temperature 68 F), Pentazyme (0.5 oz/gal at 140 F), and PentaPrep Spray (RTU at 140 F). Three coupons per cleaner were immersed in a beaker for two minutes except for Biogone, which had a three-minute contact time. Coupons were rinsed in a DI water bath and dried for 24 hours before recording clean weights.

Trial Results:

Cleaner Initial Wt. of Cont. Final Wt. of Cont. %Removal Average % Removal
SuperNova.1 NpHD 0.0202 0.0028 86.14 88.80
0.0151 0.0014 90.73
0.0191 0.0020 89.53
PentaPrep Spray 0.0231 0.0013 94.37 91.27
0.0196 0.0005 97.45
0.0211 0.0038 81.99
Biogone 0.0184 0.0043 76.63 75.81
0.0148 0.0036 75.68
0.0213 0.0053 75.12
Pentazyme 0.0157 0.0040 74.5 73.09
0.0195 0.0052 73.3
0.0175 0.0050 71.4
SuperNova .1 0.0085 0.0020 76.5 76.85
0.0116 0.0025 78.4
0.0160 0.0039 75.6

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 PentaPrep Spray and Super Nova. 1 NpHD were the only two products effective at removing synthetic blood off stainless steel.

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