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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However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. What are your specifications? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Email Us or call toll-free: 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 In some cases, the color may serve as an indication of the degree of refinement of the material.
Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes.
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.
Seta-Lovibond Colour Comparator
Lab Equipment for Sale: Color discs situated on either side of f1500 sample contain standards conforming to the chromaticity coordinates of ASTM D 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, See detailed specifications Available accessories Request a quotation More products in this subcategory. Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.
Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides astk visibility, d5100 accurate readings. Looking for a specific close-up? Right-click to open the PDF in a new window or download it: When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. 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.
View ashm sample from either a standing or sitting position through a prism eyepiece that brings the standards and sample together in a three-field comparison.
Koehler K / K Bench-top Colorimeter (ASTM D, D) | Labequip
Link to Active This link will always route to the current Active version of the standard. What is your application?
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. 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.
The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C. Supplied with a Certificate of Colour Conformity. ICS Number Code Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: 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.
Methods of test for petroleum and its products. Request a Free Quote Right Now.
ASTM D – 07 Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
Available request a quote. The following link provides additional information from the instruction manual or original manufacturer’s brochure.
Replacement white inserts are available to ensure correct lighting levels are preserved. Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Work Item s – proposed revisions of this standard.
Type text as it appears:: Samples too dark for direct viewing are diluted with kerosine. Historical Version s – view previous versions of standard.
A detachable prism light shield may be inserted to eliminate any outside light interference. Copyright Stanhope—Seta Limited Determination of colour ASTM scale.