ASTM Color Scale. ASTM Color as specified in ASTM D is a single number colour scale for grading petroleum products. The scale is defined by. 16 glass. The visual Saybolt and ASTM D Color scales can be used individually or in tandem to rank low and high chroma petroleum-based. ASTM D is a single number, one dimensional, colour scale ranging from a pale straw through to a deep red in sixteen steps ( – units in increments of .

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Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Rotate the discs by turning dials on the front of the comparator until the sample color matches the color standards and take the reading directly from the dials. Lab Equipment for Sale: Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. Email Us or call toll-free: Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, Historical Version s – view previous versions of standard.

Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.

ASTM D – 07 Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

View the sample from either a standing or sitting position through a prism eyepiece that brings the standards and sample together in a three-field comparison. Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D The Seta-Lovibond D100 Comparator is used for visual determination of the colour of oils d1050 petroleum waxes.


Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Type text as it appears:: Two-disc configuration offers a distinct advantage over single-disc systems – the sample is always bracketed between the next lower and higher color standards allowing the viewer to easily determine the actual sample color.

Enter product namemake or model. Samples too dark for direct ast are diluted with kerosine.

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Koehler K13200 / K13290 Bench-top Colorimeter

When the color d15500 of a particular product is known, a variation outside the established range may indicate possible contamination with another product. Koehler K Saybolt Colorimeter.

ICS Number Code Petroleum Products x1500 Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash point, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, Right-click to open the PDF in a new window or download it: Replacement white inserts are available to ensure correct lighting levels are preserved. Supplied with a Certificate of Colour Conformity. The three section field-of-view optical system allows a sample and two reference standard colour filters to be viewed simultaneously, allowing easy comparison of colour.

Methods of test for petroleum and its products. Available request a quote. Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings.


Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The colour filters are mounted in two discs, one with full value standards and the other with intermediate value standards, giving improved discrimination over single disc comparators.

What are your specifications? A detachable prism light shield may be inserted to eliminate any outside light interference. What are your requirements. Link to Active This link will always route to the current Active version of the standard. Determination of colour ASTM scale.

What is your application? The discs and sample are illuminated by a tungsten quartz halogen d15000 source colour corrected to CIE standard illuminant C. Looking for a specific close-up? In some cases, the color may serve as an indication of the degree of refinement of the material.

Koehler K / K Bench-top Colorimeter (ASTM D, D) | Labequip

The following link provides additional information from the instruction manual or original manufacturer’s brochure. However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. Work Item s – proposed revisions of this standard.

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