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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Enter product namemake or model. The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. What are your specifications? 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 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.
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.
Email Us or call toll-free: ICS Number Code When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. 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 d150. Historical Version s – view d1050 versions of standard Work Item s – proposed revisions of this standard Translated Version s: See detailed specifications Available accessories Request a quotation More products in this subcategory.
Samples too dark for direct viewing are diluted with kerosine.
Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.
Seta-Lovibond Colour Comparator
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. Type text as it appears:: In some cases, the color may serve as an indication of the degree of refinement of the material.
Looking for a specific close-up? 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.
Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. Koehler K Saybolt Colorimeter.
Seta-Lovibond Colour Comparator for ASTM D, IP
Request a Free Quote Right Now. 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. Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings. Right-click to open the PDF in a new window or download it: Work Item s – proposed revisions of this standard.
What is your application? Determination of colour ASTM scale. 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. Referenced Documents d150 separately The documents listed below are referenced within the subject standard but are not wstm as part of the standard. Copyright Stanhope—Seta Limited 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, Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, Link to Active This link will always route to the current Active version of the standard.
Supplied with a Certificate of Colour Conformity. The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.
Historical Version s – view previous versions of standard. What are your requirements. A detachable prism light shield may be inserted to eliminate any outside light interference. Methods of test for petroleum and its products. Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D Available request a quote. Replacement white inserts are available to ensure correct x1500 levels are preserved.
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