ASTM International - ASTM D1747-99(2004)e1

Standard Test Method for Refractive Index of Viscous Materials

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Organization: ASTM International
Publication Date: 1 May 2004
Status: historical
Page Count: 4
ICS Code (Optical measuring instruments): 17.180.30
ICS Code (Petroleum products in general): 75.080
significance And Use:

Refractive index is a fundamental physical property that can be used in conjunction with other properties to characterize pure hydrocarbons and their mixtures.

The use of refractive index... View More

scope:

1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids that have refractive indexes in the range between 1.33 and 1.60, and at temperatures from 80 to 100oC. Temperatures lower than 80C can be used provided that the melting point of the sample is at least 10oC below the test temperature.

1.2 This test method is not applicable, within the accuracy stated, to liquids having colors darker than ASTM Color No. 4, ASTM color as determined by Test Method D 1500, to liquids which smoke or vaporize readily at the test temperature, or to solids melting within 10oC of the test temperature.

Note 1 -- The instrument can be successfully used for refractive indices above 1.60; but since certified liquid standards for ranges above 1.60 are not yet available, the accuracy of measurement under these conditions has not been evaluated.

1.3 The values stated in SI units are to be regarded as standard. The values stated in inch-pound units are for information only.

1.4 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.

Document History

May 1, 2019
Standard Test Method for Refractive Index of Viscous Materials
1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids...
June 1, 2014
Standard Test Method for Refractive Index of Viscous Materials
1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids...
October 1, 2009
Standard Test Method for Refractive Index of Viscous Materials
1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids...
ASTM D1747-99(2004)e1
May 1, 2004
Standard Test Method for Refractive Index of Viscous Materials
1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids...
April 10, 1999
Standard Test Method for Refractive Index of Viscous Materials
1.1 This test method covers the measurement of refractive indexes, accurate to two units in the fourth decimal place, of transparent and light-colored viscous hydrocarbon liquids and melted solids...
Standard Test Method for Refractive Index Of Viscous Materials
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