Multisource Metals
Silicon - Dirt (as silica), Anti-foaming agent (usually under 20 ppm), Coolant additive, Silicon sealant, Some greases.
Boron – Detergent, Dispersant, Anti-wear additive, Anti-oxidant in oils and coolants.
Sodium – Corrosion inhibitor in oils and coolants, Road Salt, Sea Water.
Potassium – Corrosion inhibitor in oils and coolants, Sea Water, Additive in some fuels.
Magnesium – Anti-corrosion additive, Anti-wear additive, Neutralizes acids (BN increaser), Case or Housing wear.
Titanium – Anti-wear additive. Wear metal in turbines, springs and some valves.
Molybdenum – Extreme pressure and anti-oxidant additive, ring wear, coolant additive, grease additive.
Manganese – Shaft, bearing, valve and gear wear. Anti-knock additive in fuel. Oil additive.
Lithium – Grease soap. Contaminant when found in an oil sample.
Antimony – Extreme pressure additive, anti-wear additive, oxidation inhibitor, rust & corrosion inhibitor.