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  • ASTM D3231 Standard Test Method for Phosphorus in Gasoline ASTM D3231 Standard Test Method for Phosphorus in Gasoline3. Summary of Test Method3.1 Organic matter in the sample is decomposed by ignition in the presence of zinc oxide. The residue is dissolved in sulfuric acid and reacted with ammonium molybdate and hydrazine sulfate. The absorbance of the Molybdenum ...
  • ASTM D3231 Standard Test Method for Phosphorus in Gasoline ASTM D3231 Standard Test Method for Phosphorus in Gasoline1. Scope1.1 This test method covers the determination of phosphorus generally present as pentavalent phosphate esters or salts, or both, in gasoline. This test method is applicable for the determination of phosphorus in the range from 0.2 to 40 ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method10. Report10.1 Report result to three significant figures as the Phosphorus Content, ASTM D4047/IP 149.11. Quality ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method8. Procedure8.1 For additive concentrates, weigh into a crucible 1 g of the homogenized blend prepared in 7.6.8.2 ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method7. Blending Procedure7.1 Samples having a phosphorus content greater than 0.3 mass % should be blended in white oil ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method5. Apparatus5.1 Silica Crucibles, 40-mm internal diameter at the top and 40 mm in height. The internal surface should ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method3. Summary of Test Method3.1 Additive concentrates are diluted with phosphorus-free white oil to produce a working ...
  • ASTM D4047 Test Method for Phosphorus in Lubricating Oils and Additives ASTM D4047 Test Method for Phosphorus in Lubricating Oils and AdditivesASTM D4047 Standard Test Method for Phosphorus in Lubricating Oils and Additives by Quinoline Phosphomolybdate Method1. Scope1.1 This test method covers the determination of 0.005 to 10.0 mass % phosphorus in unused lubricating oil ...
  • ASTM D4045 Test Method for Sulfur in Petroleum Products ASTM D4045 Test Method for Sulfur in Petroleum ProductsASTM D4045 Standard Test Method for Sulfur in Petroleum Products by Hydrogenolysis and Rateometric Colorimetry12. Quality Assurance/Quality Control (QA/QC)12.1 Confirm the performance of the instrument and the test procedure by analyzing a control ...
  • ASTM D4045 Test Method for Sulfur in Petroleum Products ASTM D4045 Test Method for Sulfur in Petroleum ProductsASTM D4045 Standard Test Method for Sulfur in Petroleum Products by Hydrogenolysis and Rateometric Colorimetry10. Procedure10.1 Advance the tape and inject the unknown sample. After a stable reading is obtained record this average value as Rs in ...