-
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates by Liquid Chromatography8. Conversion of Calcium, Barium, Magnesium, or Ammonium Sulfonate to Sodium Sulfonate8.1 Conversion ofCalcium, Barium, Magnesium or Ammonium Sulfonate to Sulfonic Acid:8.1.1 Transfer approximately ...
-
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates by Liquid Chromatography6. Apparatus6.1 Chromatographic column, made of glass and consisting of a reservoir and separator section, and fitted with a TFE-fluorocarbon stopcock with a 2-mm bore, as shown in Fig. 1. A column ...
-
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates by Liquid Chromatography4. Summary of Test Method4.1 The sample, except a sodium sulfonate product, is dissolved in ethyl ether and converted to sulfonic acid, using dilute hydrochloric acid. The sulfonic acid after extraction ...
-
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates
ASTM D3712 Standard Test Method of Analysis of Oil-Soluble Petroleum Sulfonates by Liquid Chromatography1. Scope1.1 This test method covers the analysis of refined and crude natural and synthetic oil-soluble sulfonate products. Resins, if present, are recovered with the oil phase and carboxylates are ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection13. Report13.1 Existent Inorganic Sulfate and Total Chloride - Report the total chloride and existent inorganic ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection11. Procedure11.1 Obtain samples in accordance with Practice D4057 or Practice D4177. Samples should be well-mixed ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection9. Preparation of Standard Solutions9.1 Stock Solutions:9.1.1 Sulfate Stock Solution, approximately 2000 mg/L ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection7. Apparatus7.1 Analytical Balance, at least 2000 g capacity, capable of weighing accurately to 0.01 g.7.1.1 Analytical ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection4. Summary of Test Method4.1 For existent inorganic sulfate and chloride, a small volume of a sample is evaporated ...
-
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inor
ASTM D7328 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection1. Scope1.1 This test method covers an ion chromatographic procedure for the determination of the existent inorganic ...