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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Request a Free Quote Right Now. Right-click to open the PDF in a new window or download it: Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual. What are your requirements. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Copyright Stanhope—Seta Limited In some cases, the color may serve as an indication of the degree of refinement of the material.
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 purchase separately The documents listed below are referenced ast, the subject standard but are not provided as part of the 1d500. 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 Work Item s – proposed revisions of this standard.
Rotate the discs by turning dials on the sstm of the comparator until the sample color matches the color standards and take the reading directly from the dials. Lab Equipment for Sale: Historical Version s – view previous versions of standard. 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 Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. Type text as it appears:: What are your specifications? The following link provides additional information from the instruction manual or original manufacturer’s brochure.
Koehler K / K Bench-top Colorimeter (ASTM D, D) | Labequip
Supplied with a Certificate of Colour Conformity. Replacement white inserts are available to ensure correct lighting levels are preserved. 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, However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications.
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. Koehler K Saybolt Colorimeter. Enter product namemake or model. Two-disc configuration offers a distinct advantage over single-disc systems – the sample is always bracketed between the next lower and higher color standards d15000 the viewer to easily determine the actual sample color.
Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Looking for a specific close-up? Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings. 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 See detailed specifications Available accessories Request a quotation More axtm in this subcategory. The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.
Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. What is your application?
Koehler K13200 / K13290 Bench-top Colorimeter
Methods of test for petroleum and its products. Available request a quote. A detachable prism light shield may be inserted to eliminate any outside light interference.
Email Us or call toll-free: Determination of colour ASTM scale. 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.
Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. Samples sstm dark for direct viewing are diluted with kerosine.