• Determination of aging criteria (neutralization number; breakdown voltage; tan?; water; colour; appearance)
• Determination of aging criteria (neutralization number; water; colour; appearance)
• Metals in oil
• Determination of breakdown resistance in accordance with DIN VDE 30370
• Determination of the neutralization number in accordance with DIN 51558 Part 2 / IEC 296
• Determination of colour/purity in accordance with DIN 51578
• Determination of water content in accordance with DIN 51777 Part 1 Karl Fischer
• Determination of total chlorine in accordance with AltölV (German Waste Oil Ordinance)
• Determination of appearance and colour
• Determination of colour in accordance with ASTM DIN ISO 2049
• Determination of density in accordance with DIN 51757
• Determination of viscosity in accordance with DIN 51562 Part 1
• Determination of solids in accordance with DIN 51592
• Determination of particles (NAS and/or ISO)
• Determination of ignition residue
• Investigation of engine oil
• Determination of wear, contamination, oil condition, additives
• Determination of PCB in oils

Investigation of lubricating greases

• Identity testing by means of FT-IR (library spectrum must be available)
• Library spectrum for identity testing Microscopy with polarized light
  (as delivered, 4 days at RT, 4 days at 80 °C)

• Determination of other constituents by means of GC, HPLC, H-NMR -see under the relevant methods for greases
• Identity spectrum