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  • ASTM D129 for sulfur in petroleum products (General Bomb method) ASTM D129 for sulfur in petroleum products (General Bomb method)4. Apparatus and Materials4.1 Bomb, having a capacity of not less than 300 mL, so constructed that it will not leak during the test and that quantitative recovery of the liquids from the bomb may be achieved readily. The inner surface of ...
  • ASTM D129 for sulfur in petroleum products (General Bomb method) ASTM D129 for sulfur in petroleum products (General Bomb method)3. Summary of Test Method3.1 The sample is oxidized by combustion in a bomb containing oxygen under pressure. The sulfur, as sulfate in the bomb washings, is determined gravimetrically as barium sulfate.3.2 Warning - Strict adherence to ...
  • ASTM D129 for sulfur in petroleum products (General Bomb method) ASTM D129 for sulfur in petroleum products (General Bomb method)1. Scope1.1 This test method covers the determination of sulfur in petroleum products, including lubricating oils containing additives, additive concentrates, and lubricating greases that cannot be burned completely in a wick lamp. The test ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating grease28. Procedure28.1 Weigh 10 g of the sample into a 250-mL Erlenmeyer flask. Add 10 mL of NaOH (100 g/L) and heat the mixture under a reflux condenser for 2 h.28.2 Cool the flask and substantially neutralize the NaOH with H2SO4 (1 + 4); ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating greaseGLYCERIN (QUANTITATIVE)25. Scope25.1 This test method is intended for the determination of free glycerin in grease and for glycerin present as fat in grease. The test method is applicable to greases containing 0.03 to 1.6 % of glycerin ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating greaseWATER24. Procedure24.1 Determine water in accordance with Test Method D95. For solvent, use the petroleum distillate described in 5.1.2 of Test Method D95.24.2 Calculate and report water as percent by weight in accordance with Test Method ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating greaseFREE ALKALI AND FREE ACID21. Free Alkali21.1 Weigh a 10 to 30-g sample of the grease in a small beaker, dissolve as completely as possible in 75 mL of n-hexane by stirring with a spatula, wash the mixture into a 250-mL Erlenmeyer flask ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating greaseINSOLUBLES, SOAP, FAT, PETROLEUM OIL, AND UNSAPONIFIABLE MATTER12. Choice of Test Method12.1 Examine greases containing residuum, asphaltic oils and asphalt, tars, and so forth, using Test Method II, as these ingredients usually cause ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating greaseASH DETERMINATION7. General7.1 The percentage of ash shall not be included in the total of the analysis.NOTE 3 - The determination of the total ash should not in general be regarded as of any great importance. It is, however, sometimes ...
  • ASTM D128 standard test methods for analysis of lubricating grease ASTM D128 standard test methods for analysis of lubricating grease5. Reagents5.1 Purity of Reagents - Reagent grade chemicals shall be used in all tests. Unless otherwise indicated, it is intended that all reagents shall conform to the specifications of the Committee on Analytical Reagents of the American ...