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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction11. Procedure11.1 Initial Conditions:11.1.1 Procedure A:11.1.1.1 Confirm that the temperature of the heater jacket is 60.0 °C +/- 1.0 °C and the vapor phase processor is -20.0 °C +/- ...
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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction10. Calibration and Standardization10.1 Ensure that all of the manufacturer's instructions for verification and calibration of the mechanical and electronic systems, and operation of the ...
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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction8. Sampling and Test Specimen Preparation8.1 Unless otherwise agreed, samples shall be taken in accordance with Practice D4057.8.1.1 During sampling operations, care shall be taken to ensure ...
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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction6. Apparatus6.1 General - The apparatus, as detailed in Annex A1, comprises an air pump, test vessel, heating jacket, filters, H2S specific detector, integral computer, automatic solenoid ...
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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction4. Summary of Test Method4.1 A weighed test specimen is introduced into a heated test vessel containing a diluent base oil. Air is bubbled through the oil to extract the H2S gas. The air ...
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ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oi
ASTM D7621 Standard Test Method for Determination of Hydrogen Sulfide in Fuel Oils by Rapid Liquid Phase Extraction1. Scope1.1 This test method covers procedures (A and B) for the determination of the hydrogen sulfide (H2S) content of fuel oils such as marine residual fuels and blend stocks, with viscosity ...
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ASTM D7715 Standard Specification for Fully-Formulated Glycerin Base Engine Cool
ASTM D7715 Standard Specification for Fully-Formulated Glycerin Base Engine Coolant for Heavy-Duty Engines4. General Requirements4.1 Concentrated and prediluted coolants shall meet all of the physical, chemical and performance requirements of Specification D7714, Tables 1, 2, and 3.4.2 The coolant concentrate ...
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ASTM D7715 Standard Specification for Fully-Formulated Glycerin Base Engine Cool
ASTM D7715 Standard Specification for Fully-Formulated Glycerin Base Engine Coolant for Heavy-Duty Engines1. Scope1.1 This specification covers the requirements for fully-formulated glycerin base coolants for cooling systems of heavy-duty engines. When concentrates are used at 40 to 60 % glycerin concentration ...
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ASTM D7714 Standard Specification for Glycerin Base Engine Coolant for Automobil
ASTM D7714 Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service4. General Requirements4.1 Engine coolant concentrates or prediluted glycerin base engine coolants shall be formulated with glycerin meeting Specification D7640, water, and suitable corrosion inhibitors, ...
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ASTM D7714 Standard Specification for Glycerin Base Engine Coolant for Automobil
ASTM D7714 Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service1. Scope1.1 This specification covers the requirements for glycerin base engine coolants used in automobiles or other light duty service cooling systems. When concentrates are used at 50 to 60 % concentration ...
