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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Methods of test for petroleum and its products. ICS Number Code Determination of colour ASTM scale.
Koehler K13200 / K13290 Bench-top Colorimeter
Right-click to open the PDF in a new window or download it: 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.
View the sample from astk a standing or sitting position through a prism eyepiece that brings the standards and sample together in a three-field comparison.
Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another asym. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: 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, Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D 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. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and sstm the applicability of regulatory limitations prior to use.
A detachable prism light shield may be inserted to eliminate any outside light interference. 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 Request a Free Quote Right Now. 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 is your application? Supplied with a Certificate of Colour Conformity.
Samples too dark for direct viewing are diluted with kerosine. Copyright Stanhope—Seta Limited d1050 Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings. Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.
ASTM D – 12() Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
See detailed specifications Available accessories Request a quotation More products in this subcategory. Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Koehler K Saybolt Colorimeter. The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes.
What are your requirements. However, color is not always a reliable guide to product quality and should not aztm used indiscriminately in product specifications. Link to Active This link will always route to the current Active version of the standard. Email Us or call toll-free: Looking for a specific close-up? 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.
Enter product namemake or model. Samples which are not clear such as petroleum waxes are pre-heated above qstm cloud point. 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
Available request a quote. The three section field-of-view optical system allows a sample and two reference standard colour filters to be viewed simultaneously, allowing zstm comparison of colour. Work Item s – proposed revisions of this standard. 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: Historical Version s – view previous versions of standard. The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.
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