ASTM D1209 PDF

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Pt-Co/Hazen/APHA Colour (ASTM D) Colour Reference Standards are for routine calibration of colour measuring instruments and verification of test data. Buy ASTM D Standard Test Method for Color of Clear Liquids (Platinum- Cobalt Scale) from SAI Global. 8 Oct ASTM D Standard Test Method for Color of Clear Liquids (Platinum Cobalt Scale) defines the visual APHA/Pt-Co/Hazen color scale for.

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Because of the differences in the spectral characteristics of the several color systems being compared and the subjective manner in which the measurements are made, exact equivalencies are difficult to obtain. atm

The presence or absence s1209 color in such material is an indication of the degree of refinement to which the solvent has been subjected or of the cleanliness of the shipping or storage container in which it is handled, or both. It is applicable only to materials in which the color-producing bodies present have light absorption characteristics nearly identical with those of the platinum-cobalt color standards used.

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Hazen in the American Chemical Journal in which he assigned the number 5 parts per ten thousand to his platinum-cobalt stock solution. Subsequently, in their first edition of Standard Methods for the Examination of Water, the American Public Health Association, using exactly the same concentration of reagents, assigned the color designation parts per million which is the same ratio.

Historical Version s – view previous versions of standard Translated Version s: Link to Active This link will always route to the current Active version of the standard. The petroleum industry uses the R1209 colorimeter Test Method D for measuring and defining the color of hydrocarbon solvents; however, this system of color measurement is not commonly employed outside of the petroleum industry.

– Lovibond Colour

No other units of measurement are included in this standard. The parts per million nomenclature is not used since color is not referred directly to a weight relationship. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. D1290 1—A procedure for estimating color of darker liquids, described for soluble nitrocellulose base solutions, is given in Guide D The property of color of a solvent varies in importance with the application for which it is intended, the amount of color that can be tolerated being dependent on the color dd1209 of the material in which it is used.

PLATINUM-COBALT/HAZEN/APHA COLOUR (ASTM D1209) & (ASTM D5386)

This was accomplished in with the adoption of Test Method D using the platinum-cobalt scale. The paint, varnish, and lacquer solvents, or diluents commercially available on today’s market normally have little or no color. For specific hazard statements see Section x1209.

Historical Version s – view previous versions of standard.