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 .

Author: Bakazahn Zulum
Country: Reunion
Language: English (Spanish)
Genre: Music
Published (Last): 5 August 2016
Pages: 349
PDF File Size: 4.36 Mb
ePub File Size: 20.35 Mb
ISBN: 133-7-17378-132-2
Downloads: 26804
Price: Free* [*Free Regsitration Required]
Uploader: Munos

When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product. 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.

Historical Version s – view previous versions of standard.

Replacement white inserts are available to ensure correct lighting levels are preserved. What are your requirements.

Request a Free Quote Right Now. The three section field-of-view optical system allows a sample and two reference standard colour asgm to be viewed simultaneously, allowing easy comparison of colour. ICS Number Code Type text as it appears:: Samples ast, dark for direct viewing are diluted with kerosine. However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications. Supplied with a Certificate of Colour Conformity.

ASTM D – 12() Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D Available request a quote.


Copyright Stanhope—Seta Limited Looking for a specific close-up? Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. General Use laboratory apparatus balances, baths, blenders, centrifuges, chart recorders, freezers, asttm hoods, furnaces, aastm washers, glove boxes, mixers, moisture testing, ovens, pumps, shakers, vacuum equipment, water purification 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.

Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Petroleum Products and Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash aetm, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, Two-disc configuration offers a distinct advantage over single-disc s1500 – the sample is always bracketed between the next lower and higher color standards allowing the viewer to easily determine the actual sample color.

Seta-Lovibond Colour Comparator

The following link provides additional information from the instruction manual or original manufacturer’s brochure. The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.

Work Item s – proposed revisions of this standard. 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.

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. See detailed specifications Available accessories Request a quotation More products in this subcategory.


Lab Equipment for Sale: Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual. What are your specifications? What is your application?

Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings. Determination of colour ASTM scale. 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.

Koehler K13200 / K13290 Bench-top Colorimeter

Link to Active This link will always route to the current Active version of the standard. Enter product name ast, make or model. In some cases, the color may serve as an indication of the degree of refinement of the material.

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: Right-click to open the PDF in a new window or download it: Koehler K Saybolt Colorimeter. It is the responsibility of astn user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. A detachable prism ast, shield may be inserted to eliminate any outside light interference.