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Petroleum Oils & Waxes

An important part of the refining procedure is colour measurement. Colour is an indication of type and quality. In some cases it used as a means of recognition as is such with aviation fuel and ships diesel fuel. Other petroleum products are required to be colourless such as food quality waxes. Scales & Values Grading […]

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An important part of the refining procedure is colour measurement. Colour is an indication of type and quality. In some cases it used as a means of recognition as is such with aviation fuel and ships diesel fuel. Other petroleum products are required to be colourless such as food quality waxes.

Scales & Values

Grading techniques are widely used to assess product colour by comparison with a representative series of fixed colour standards.

For many product types, a characteristic set of standards was agreed and adopted to aid colour control and the communication of colour specifications; the result is a selection of traditional colour grading scales that have been adopted as industry standards and are still in common use today.

Your Colour Scale requirement determines your instrument choice.
  • A Guide to Path Length by Colour Scale
  • Acid Wash Test (ASTM D848)
  • Anti-Icing in Aviation Fuels
  • ASTM Colour (ASTM D 1500, ASTM D 6045, ISO 2049, IP196)
  • Carbonisable Substances (Insolubles)
  • CIE L*a*b
  • Delta E* colour difference
  • Euromarker
  • Gardner Colour
  • Iodine Colour (DIN 6162)
  • IP Units (IP 17Method B)
  • Lead in Aviation Fuels
  • Lovibond® RYBN Colour
  • Optical density (Absorbance)
  • Platinum-Cobalt/Hazen/APHA Colour (ASTM D 1209
  • Quinazarin Warehouse Kit
  • Quinizarin (Marked Oils)
  • Saybolt Colour (ASTM D 156, ASTM 6045)
  • Spectral data
  • xyY chromaticity co-ordinates
  • XYZ tristimulus values
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