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- ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Res ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection11. Procedure11.1 Remove a sample from refrigerated storage and allow it to stand in the laboratory until it flows freely. A sample can be analyzed ...
- ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Res ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection8. Sampling8.1 Using a suitable H2S inert container of 250 to 500 mL, collect a representative sample by Practice D4057. Suitable containers can be ...
- ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Res ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection6. Apparatus6.1 A schematic of the headspace sampling system required for this analysis is shown in Fig. 1. It consists of:6.1.1 Sampling On/Off Valve, ...
- ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Res ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection4. Summary of Test Method4.1 A representative sample of residual fuel oil is obtained in sufficient quantity to completely fill the sample container. ...
- ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Res ASTM D6021 Standard Test Method for Measurement of Total Hydrogen Sulfide in Residual Fuels by Multiple Headspace Extraction and Sulfur Specific Detection1. Scope1.1 This test method covers a method suitable for measuring the total amount of hydrogen sulfide (H2S) in heavy distillates, heavy distillate/residual ...
- ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petrol ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy14. Report14.1 Report the mass % hydrogen content of the middle distillate test specimen to the nearest 0.01 mass % hydrogen.15. Quality Control ...
- ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petrol ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy12. Procedure12.1 Place the filled, weighed test cells in the conditioning block/apparatus. The test cells shall remain in the conditioning block/apparatus ...
- ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petrol ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy6. Apparatus6.1 Nuclear Magnetic Resonance Spectrometer:6.1.1 This test method requires a low-resolution pulsed instrument capable of measuring ...
- ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petrol ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy4. Summary of Test Method4.1 A test specimen is analyzed in a pulsed NMR spectrometer calibrated with reference standard materials. The analyzer ...
- ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petrol ASTM D7171 Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy1. Scope1.1 This test method covers the determination of the hydrogen content of middle distillate petroleum products using a low-resolution pulsed ...