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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy12. Report12.1 Report the mass % hydrogen content on the test sample to the nearest 0.01 mass hydrogen.13. Precision and Bias13.1 ...
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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy10. Procedures10.1 Test Methods A, B, and C:10.1.1 Leave the reference standard and the test specimens in the conditioning block ...
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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy7. Sampling7.1 Take a homogeneous sample in accordance with Practice D4057. Mix the sample prior to taking a representative aliquot ...
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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy5. ApparatusNOTE 1 - This test method has been written around the Newport Analyzer Mark IIIF or its replacement version, the Newport ...
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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy3. Summary of Test Methods3.1 A test specimen is compared in a continuous wave, low-resolution nuclear magnetic resonance (NMR) ...
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ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Midd
ASTM D4808 Standard Test Methods for Hydrogen Content of Light Distillates, Middle Distillates, Gas Oils, and Residua by Low-Resolution Nuclear Magnetic Resonance Spectroscopy1. Scope1.1 These test methods cover the determination of the hydrogen content of petroleum products ranging from atmospheric ...
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ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types
ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates - High Performance Liquid Chromatography Method with Refractive Index Detection12. Report12.1 Report MAH, DAH, T+AH, POLY-AH and total aromatic hydrocarbon contents to the nearest 0.1 % m/m.12.2 Report ...
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ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types
ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates - High Performance Liquid Chromatography Method with Refractive Index Detection10. Procedure10.1 Calibration:10.1.1 Prepare four calibration standards (A, B, C, and D), at the approximate concentrations ...
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ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types
ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates - High Performance Liquid Chromatography Method with Refractive Index Detection8. Sampling8.1 Unless otherwise specified in the commodity specification, samples are taken by following Practice D4057 ...
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ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types
ASTM D6591 Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates - High Performance Liquid Chromatography Method with Refractive Index Detection6. Apparatus6.1 High Performance Liquid Chromatograph (HPLC) - Any HPLC capable of pumping the mobile phase at flow rates ...
