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Table 1

Lubricant and contamination.

Oil or contamination Description
1. Lubricant oil Shell Turbo 32 (T32):
Pure oil without extreme pressure and anti-wear additives
ISO viscosity: 32 cSt at 40 °C and 5.2 cSt at 100 °C
2. Water contamination Demineralized water
3. Detergent A 99 wt.% demineralized water + 1 wt.% alkylamineoxides; pH ∼7.
4. Detergent B 95 wt.% demineralized water + 5 wt.% of aqueous solution of (1–5% alkylamineoxides, 2–5% NaOH, and 2.5–5% NaClO); pH 13 to 14.

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