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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ASTM D – 12() Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
Lab Equipment for Sale: Determination of colour ASTM scale. 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. Request a Free Quote Right Now. General Use laboratory apparatus balances, baths, blenders, centrifuges, chart recorders, freezers, fume hoods, furnaces, glassware washers, glove boxes, mixers, moisture testing, ovens, pumps, d1500, vacuum equipment, water purification Supplied with a Certificate of Colour Conformity.
ASTM D – 07 Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)
Link to Active This link will always route to the current Active version of the standard. ICS Number Code Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings.
However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. 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.
Samples too dark for direct viewing are diluted with kerosine. Replacement white inserts are available to ensure correct lighting levels are preserved. 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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Koehler K13200 / K13290 Bench-top Colorimeter
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 discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D 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.
Enter product namemake or model. Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product.
Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual. What are your requirements. A detachable prism light shield may be inserted to eliminate any outside light interference.
Seta-Lovibond Colour Comparator
Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, Astmm, See detailed specifications Available accessories Request a quotation More products in this subcategory. The following link provides additional information from the instruction manual or original manufacturer’s brochure.
Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Methods of test for petroleum and its products. Copyright Stanhope—Seta Limited Available request a quote. Aztm 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.
Email Us or call toll-free: Type text as it appears:: In some cases, the color may serve as an indication of the degree of refinement of the material.
Petroleum Products and Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash ashm, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, What is your application?
Koehler K Saybolt Colorimeter. 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 d150 illuminant C. What are your specifications?
Right-click to open the PDF in a new window or download it: Looking for a specific close-up? The Seta-Lovibond Colour Asym is used for visual determination of the colour of oils and petroleum waxes. Samples which are not clear such as petroleum waxes are pre-heated above their cloud point.
Work Item s – proposed revisions of this standard.