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Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
Automatische name übersetzung:
Standardtestverfahren für Farbe von klaren Flüssigkeiten ( Platin - Cobalt-Skala )
NORM herausgegeben am 1.6.2015
Bezeichnung normen: ASTM D8005-15
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.6.2015
SKU: NS-591387
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
clear liquids, color, platinum-cobalt color scale, Pt-Co,, ICS Number Code 17.180.20 (Colours and measurement of light), 87.060.20 (Binders)
Significance and Use | ||||||||||||||
4.1 The major objective of the visual Pt-Co method of color measurement is to rate specific materials for yellowness. The yellowness is frequently the result of the undesirable tendency of liquid hydrocarbons to absorb blue light due to contamination in processing, storage, or shipping. |
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1. Scope | ||||||||||||||
1.1 This test method covers a procedure for the visual measurement of the color of near clear liquids. 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 (Pt-Co) color standards used. 1.2 This test method has been found applicable to the color measurement of clear, liquid samples, free of haze, with nominal Pt-Co color values between 0 and 100. It is applicable to nonfluorescent liquids with light absorption characteristics similar to those of the Pt-Co color standard solutions. Test Methods D1209, D1686, and D5386 deal with the visual and instrumental measurement of near-clear liquids. 1.3 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded in accordance with the rounding off methods of Practice E29. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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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2. Referenced Documents | ||||||||||||||
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