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Trial Purpose:
To evaluate effectiveness of the provided cleaners in regards to removing synthetic blood from stainless steel.
Date Run:
10/26/2017Experiment 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.