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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Supplied with a Certificate of Colour Conformity. However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. Koehler K Saybolt Colorimeter. 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
Lab Equipment for Sale: 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, What are your specifications? Looking for a specific close-up? Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D Work Item s – proposed revisions of this standard.
The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected d15500 CIE standard illuminant C. 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.
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.
What are your requirements. Link to Active This link will always route to the current Active version of the standard. Historical Version s – view previous versions of standard.
The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, 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. Samples too dark for direct viewing are diluted with kerosine.
Seta-Lovibond Colour Comparator for ASTM D, IP
Awtm which are not clear such as petroleum waxes are pre-heated above their cloud point. 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.
Replacement white inserts are available to ensure correct lighting levels are preserved. Enter product namemake or model.
Seta-Lovibond Colour Comparator
Email Us or call toll-free: Copyright Stanhope—Seta Limited See detailed d150 Available accessories Request a quotation More products in this subcategory. Right-click to open the PDF in a new window or download it: ICS Number Code The following link provides additional information from the instruction manual or original manufacturer’s brochure.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. astk
When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product.
Color adtm filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings. 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.
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. Type text as it appears:: 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 A detachable prism light shield may be inserted atm eliminate any outside light interference.
Koehler K13200 / K13290 Bench-top Colorimeter
Methods of test for petroleum and its products. Request a Free Quote Right Now.
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