ASTM D1133-13(R2021) pdf free download

ASTM D1133-13(R2021) pdf free download.Standard Test Method for Kauri-Butanol Value of Hydrocarbon Solvents
1. Scope
1.1 This test method covers the determination ofthe relative solvent power of hydrocarbon solvents used in paint and lacquer formulations. This test method is suitable for use with solvents having an initial boiling point over 40 °C and a dry point under 300 °C when determined in accordance with the procedures in Note 1. N OTE 1—Test Method D86 is used to determine the initial boiling point and dry point for mineral spirits and similar petroleum solvents. Test Method D1078 is used for pure compounds and narrow boiling range cuts. 1.2 For purposes of determining conformance of an ob- served or a calculated value using this test method to relevant specifications, test result(s) 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-offmethod of Practice E29. 1.3 For specific hazard information and guidance, consult the supplier’s Material Safety Data Sheet. 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 appro- priate safety, health, and environmental practices and deter- mine the applicability ofregulatory limitations prior to use. 1.6 This international standard was developed in accor- dance with internationally recognized principles on standard- ization established in the Decision on Principles for the Development of International Standards, Guides and Recom- mendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
6. Reagents
6.1 Purity of Reagents—Reagent grade chemicals shall be used in all tests unless otherwise specified. Unless otherwise indicated, it is intended that all reagents shall conform to the specifications of the Committee on Analytical Reagents of the American Chemical Society, where such specifications are available. 3 Other grades may be used, provided it is first ascertained that the reagent is of sufficiently high purity to permit its use without lessening the accuracy of the determi- nation. 6.2 Kauri-Butanol Solution 4 —Place in a 3-L flask 400 g of clean, pale, bold kauri resin of Grade XXXX, XXX, or XX ground to pea-size or smaller. Add, while agitating vigorously, 2000 g ofn-butyl alcohol, (conforming to Specification D304). Shake on a mechanical shaker until the resin goes into solution, warming to about 55 °C, if necessary to aid solution. If a mechanical shaker is not available, fit the flask with a reflux condenser and heat on a steam bath until all of the kauri resin is dissolved. Permit the solution to stand 48 h and then clarify by filtering through a Büchner funnel with suction, using double filter paper and changing as frequently as necessary. 6.3 Standard Toluene conforming to Specification D841 for use as a high-solvency standard. 6.4 Heptane-Toluene Blend consisting of 25 % 6 0.1 % toluene and 75 % 6 0.1 % n-heptane on a volume basis, for use as a low-solvency standard. The heptane shall be spectroscopic, HPLC, or knock test grade. N OTE 3—The blend of 25 % 6 0.1 % toluene and 75 % 6 0.1 % heptane can be prepared in any way that will give the desired accuracy. The following technique is adequate: Bring the toluene and heptane and a calibrated 200-mL volumetric flask to the same temperature, preferably in a constant-temperature room or thermostat. Run 50 mL of toluene into the 200-mL volumetric flask, using a buret or pipet calibrated to deliver 50 mL of toluene at the chosen temperature (preferably 25 °C). 7.2 The volume oftoluene used, in millilitres, represents the actual titer for the particular kauri-butanol solution at hand. This value should lie reasonably close to 105 mL, but not over 110 nor under 100 mL. If these limits are exceeded, adjust the concentration of the kauri-butanol solution to bring the total volume of toluene within them. Designate the final value using toluene as A.