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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The following link provides additional information from the instruction manual or original manufacturer’s brochure.
Seta-Lovibond Colour Comparator
Sstm Us or call toll-free: What are your specifications? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not ast, as part of the standard. What is your application? Request a Free Quote Right Now. Petroleum Products and Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash point, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, The colour filters are mounted in two discs, one with full value standards and the other with intermediate value standards, giving improved aastm over single disc comparators.
Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual. 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. Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings.
Koehler K / K Bench-top Colorimeter (ASTM D, D) | Labequip
Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Determination of colour ASTM scale. Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.
Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. See detailed specifications Available accessories Request a quotation More products in this subcategory.
General Use laboratory apparatus balances, baths, blenders, centrifuges, chart recorders, freezers, fume hoods, furnaces, glassware washers, glove boxes, mixers, moisture testing, ovens, pumps, shakers, vacuum equipment, water purification The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes.
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.
ICS Number Code Samples too dark for direct viewing are diluted with kerosine. Methods of test for petroleum and its products. Right-click to open the PDF in a new window or download it: Enter product namemake or model.
Available request a quote. A detachable prism light shield may be inserted to eliminate any outside light interference. 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.
When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. What are your requirements. Copyright Stanhope—Seta Limited Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D Koehler K Saybolt Colorimeter.
View the sample from either a standing or sitting position through a prism eyepiece that brings the standards asmt sample together in a three-field comparison. Looking for a specific close-up?
ASTM D – 12() Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Lab Equipment for Sale: Type text as it appears:: In some cases, the color may serve as an indication of the degree of refinement of the material. 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.
Replacement white inserts are available to ensure correct lighting levels are preserved.