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Significance and Use
5.1 This test method is suitable for setting specification, for use as an internal quality control tool, and for use in development or research work on industrial aromatic hydrocarbons and related materials. In addition to the pure liquid chemicals for which expansion functions are known, it may also be used for liquids for which temperature expansion data are not available, or for impure liquid chemicals if certain limitations are observed. Information derived from this test can be used to describe the relationship between weight and volume.
1.1 This test method describes a simplified procedure for the measurement of density or relative density of pure liquid chemicals for which accurate temperature expansion functions are known. It is restricted to liquids having vapor pressures not exceeding 79 993 Pascal (0.800 bar, 600 mm Hg (0.789 atm) at the equilibration temperature, and having viscosities not exceeding 15 cSt at 20°C.
Density g/cm3 at 20°C
Density g/mL at 20°C
Relative density 20°C/4°C
Relative density 15.56°C/15.56°C
1.3 The following applies to all specified limits in this test method: for purposes of determining conformance with this test method, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.
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. Specific hazard statements are given in 7.1.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D1555 Test Method for Calculation of Volume and Weight of Industrial Aromatic Hydrocarbons and Cyclohexane
D3437 Practice for Sampling and Handling Liquid Cyclic Products
D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
D6809 Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
E1 Specification for ASTM Liquid-in-Glass Thermometers
E12 Terminology Relating to Density and Specific Gravity of Solids, Liquids, and Gases
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ICS Number Code 71.060.01 (Inorganic chemicals in general); 71.080.01 (Organic chemicals in general)
UNSPSC Code 12352005(Aromatic or heterocyclic compounds)
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ASTM D3505-12e1, Standard Test Method for Density or Relative Density of Pure Liquid Chemicals, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top