Liquid Color – LCS IV


Reliable color control of transparent liquids

The color of transparent liquids is critical as a change can indicate contamination or impurities in the raw material, process variations caused by heating and oxidation, or degradation of products exposed to weathering over time. Visual tests have been established by comparing the sample to a known standard. Today, objective measurements can be done with color spectrophotometers that give reliable data on a consistent basis. Besides degree of yellowness, such spectrophotometers also describe color differences three dimensionally: red/green, yellow/blue and light/dark differences.

International Standards

AOCS Method Cc 13e; Method BS 684 ly/lr
ASTM D 156, D 848, D 1045, D 1209, D 1544, D 1925, D 1500, D 5368, E 308
DIN 5033, 6162, 6174
ISO 4630, 6271, 2049, 27608

Highly precise spectrophotometer for objective color measurement

  • Determination of visual color numbers and common color scales (e.g. CIELAB*, CIELCH*, Hunter Lab)
  • Automatic zero and calibration memory for all types of cuvettes – ensures use of correct calibration data
  • User profile memory with password protection for individual configurations – including GLP documentation
  • Stand alone unit with 7″ built-in touch-screen allows use without the need of a PC
  • Automatic cuvette recognition – avoids faulty measurements
  • Works with 10 and 50 mm rectangle as well as 11 mm round cuvettes for optimum precision
  • Easy to exchange rectangular cell compartment
  • Highly accurate and reliable results are guaranteed by the dual beam principle
  • USB and Ethernet interface for easy data transfer

Specifications (PDF)


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