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HYDROGEN SULFIDE IN RESIDUAL FUELS: ASTM D6021
HYDROGEN SULFIDE IN RESIDUAL FUELS: ASTM D6021EXPLANATIONExcessive levels of hydrogen sulfide in the vapor phase above residual fuel oils in storage tanks may result in health hazard, violation of OSHA limits, and public complaint. Also, it can cause corrosion in refining and other production activities. ...
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HYDROGEN SULFIDE IN LIQUEFIED PETROLEUM GAS LPG BY LEAD ACETATE METHOD: ASTM D24
HYDROGEN SULFIDE IN LIQUEFIED PETROLEUM GAS LPG BY LEAD ACETATE METHOD: ASTM D2420(Equivalent Test Methods: IP 401, ISO 8819, DIN 51855 T3, and AFNOR M41-011)EXPLANATIONLiquefied petroleum gas and its combustion products must not be unduly corrosive to the materials that they come in contact with. Hence, ...
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HYDROLYTIC STABILITY OF HYDRAULIC FLUIDS: ASTM D2619
HYDROLYTIC STABILITY OF HYDRAULIC FLUIDS: ASTM D2619EXPLANATIONHydrolytically unstable hydraulic fluids form acidic and insoluble contaminants which can cause hydraulic system malfunctions due to corrosion, valve sticking, or change in the viscosity of the fluid. This test method differentiates the relative ...
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HYDROGEN CONTENT OF PETROLEUM FRACTIONS: ASTM D1018
HYDROGEN CONTENT OF PETROLEUM FRACTIONS: ASTM D1018EXPLANATIONThis test method is applicable to petroleum fractions that can be burned completely without smoking in a wick lamp.TEST SUMMARYA sample is burned from a cotton wick in an atmosphere of purified air. The water formed is collected from the combustion ...
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HYDROGEN BY NMR: ASTM D7171
HYDROGEN BY NMR: ASTM D7171EXPLANATIONHydrogen content represents a fundamental quality of a petroleum distillate that has been correlated with many of the performance characteristics of that product. Combustion properties of gas turbine fuels are related primarily to hydrogen content. As hydrogen content ...
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HYDROGEN CONTENT OF PETROLEUM PRODUCTS BY NMR: ASTM D4808
HYDROGEN CONTENT OF PETROLEUM PRODUCTS BY NMR: ASTM D4808EXPLANATIONThese test methods are a precise and simple alternative to other methods such as combustion or empirical methods for hydrogen determination in fuels. They use a continuous wave,low-resolution nuclear magnetic resonance spectrometer. ...
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HYDROGEN CONTENT OF AVIATION TURBINE FUELS BY NUCLEAR MAGNETIC RESONANCE (NMR):
HYDROGEN CONTENT OF AVIATION TURBINE FUELS BY NUCLEAR MAGNETIC RESONANCE (NMR): ASTM D3701EXPLANATIONThis test method provides a quick, simple, and precise alternative method to that using empirical correlationships.TEST SUMMARYA sample of the fuel is compared in a continuous wave, low-resolution, nuclear ...
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HYDROGEN CONTENT OF AVIATION FUELS: ASTM D3343
HYDROGEN CONTENT OF AVIATION FUELS: ASTM D3343EXPLANATIONThis is an empirical method based on calculations and is applicable to aviation gasolines and aircraft turbine and jet engine fuels.TEST SUMMARYThe calculations are done based on the correlationship between hydrogen content of a fuel and its distillation ...
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HYDROCARBON TYPES BY MULTIDIMENSIONAL GC: ASTM D5443
HYDROCARBON TYPES BY MULTIDIMENSIONAL GC: ASTM D5443EXPLANATIONThis test method is applicable to hydrocarbon mixtures including virgin, catalytically or thermally converted, alkylated, and blended napthas. The method provides for the determination of paraffins, napthenes, and aromatics by carbon number ...
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HYDROCARBON TYPES IN GASOLINE BY MASS SPECTROMETRY: ASTM D2789
HYDROCARBON TYPES IN GASOLINE BY MASS SPECTROMETRY: ASTM D2789EXPLANATIONThis test method covers the determination by mass spectrometry of total paraffins, monocycloparaffins, dicycloparaffins, alkylbenzenes, indans, or tetralins, or both, and napthalenes in gasoline having an olefin content of less ...
