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HYDROPEROXIDE NUMBER OF AVIATION TURBINE FUELS: D6447
HYDROPEROXIDE NUMBER OF AVIATION TURBINE FUELS: D6447EXPLANATIONThe magnitude of the hydroperoxide number is an indication of the quantity of oxidizing constituents present. Deterioration of fuel results in the formation of hydroperoxides and other oxygen-carrying compounds. The hydroperoxide number ...
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HYDROGEN SULFIDE IN RESIDUAL FUEL OILS: D5705
HYDROGEN SULFIDE IN RESIDUAL FUEL OILS: D5705EXPLANATIONSee the discussion under Test Method D6021. This test method covers the field determination of hydrogen sulfide in the vapor phase of a residual fuel oil sample. It is applicable to liquids with a viscosity range of 5.5 cSt at 40° C to 50 cSt at ...
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HYDROGEN SULFIDE IN RESIDUAL FUELS: D6021
HYDROGEN SULFIDE IN RESIDUAL FUELS: 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: D2420
HYDROGEN SULFIDE IN LIQUEFIED PETROLEUM GAS LPG BY LEAD ACETATE METHOD: 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: D2619
HYDROLYTIC STABILITY OF HYDRAULIC FLUIDS: 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: D1018
HYDROGEN CONTENT OF PETROLEUM FRACTIONS: D1018This 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 gases ...
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HYDROGEN BY NUCLEAR MAGNETIC RESONANCE (NMR): D7171
HYDROGEN BY NUCLEAR MAGNETIC RESONANCE (NMR): 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 ...
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HYDROGEN CONTENT OF PETROLEUM PRODUCTS BY NUCLEAR MAGNETIC RESONANCE (NMR): D480
HYDROGEN CONTENT OF PETROLEUM PRODUCTS BY NUCLEAR MAGNETIC RESONANCE (NMR): D4808These 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 ...
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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): D3701This 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 magnetic resonance ...
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HYDROGEN CONTENT OF AVIATION FUELS: D3343
HYDROGEN CONTENT OF AVIATION FUELS: D3343This 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 range, ...