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ASTM D1218

Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids

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Organization: ASTM
Publication Date: 1 November 2012
Status: active
Page Count: 7
ICS Code (Organic chemicals in general): 71.080.01
scope:

This test method covers the measurement of refractive index, accurate to four decimal places or better, of transparent and light-colored hydrocarbons in the range of 1.3300 to 1.5000 at temperatures from 20 °C to 30 °C by manual (optical-mechanical) or automatic (digital) procedure

The manual (optical-mechanical) procedure also covers the measurement of refractive dispersion accurate to the fourth decimal place or better

NOTE 1-The test method may be suitable for measuring the refractive indices of liquids above 1.5000 and at temperatures both below 20 °C and above 30 °C; however, the test method precision may not apply. Verification of the accuracy of such measurements will depend upon the availability of reliable, certified reference standards that demonstrate the performance of the instrument used under the particular measuring conditions

The test method may not be applicable to liquids that are strongly colored, or that have bubble points so near the test temperature that a reading cannot be obtained before substantial weathering takes place. Liquid color should be limited to No. 4 ASTM Color or lighter, as determined by Test Method D1500

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard

WARNING-Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA's website-http://www.epa.gov/mercury/faq.htm-for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law

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

*A Summary of Changes section appears at the end of this standard 

Document History

ASTM D1218
November 1, 2012
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
This test method covers the measurement of refractive index, accurate to four decimal places or better, of transparent and light-colored hydrocarbons in the range of 1.3300 to 1.5000 at temperatures...
November 1, 2012
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
This test method covers the measurement of refractive index, accurate to four decimal places or better, of transparent and light-colored hydrocarbons in the range of 1.3300 to 1.5000 at temperatures...
June 10, 2002
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
This test method covers the measurement of refractive index, accurate to four decimal places or better, of transparent and light-colored hydrocarbons in the range of 1.3300 to 1.5000 at temperatures...
June 10, 2002
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
This test method covers the measurement of refractive index, accurate to four decimal places or better, of transparent and light-colored hydrocarbons in the range of 1.3300 to 1.5000 at temperatures...
November 10, 1999
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
This test method covers the measurement of refractive indexes, accurate to six units in the fifth decimal place, and refractive dispersions, accurate to twelve units in the fifth decimal place, of...
August 15, 1992
Standard Test Method for Refractive Index and Refractive Dispersion of Hydrocarbon Liquids
A description is not available for this item.
October 30, 1987
STANDARD TEST METHOD FOR REFRACTIVE INDEX AND REFRACTIVE DISPERSION OF HYDROCARBON LIQUIDS
A description is not available for this item.
August 27, 1982
STANDARD TEST METHOD FOR REFRACTIVE INDEX AND REFRACTIVE DISPERSION OF HYDROCARBON LIQUIDS
A description is not available for this item.

References

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