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ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow
ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow Test (LTFT)8. Report8.1 Report the temperature of the last passing result recorded in 7.14 as:Minimum LTFT Pass Temperature =_______°C.8.2 Alternatively, report the result recorded in Step 7.15 as:Pass or Fail at ________°C.9. ...
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ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow
ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow Test (LTFT)7. Procedure7.1 Filter a fresh specimen of test fuel (Warning - Combustible liquid. See A2.3) at 15°C or higher, through dry, lintless filter paper, having a nominal filtration rating of less than 17 µm.7.2 ...
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ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow
ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow Test (LTFT)5. Apparatus5.1 Glass Specimen Vessels, several 300-mL, clear, heat resistant, wide-mouthed glass bottles having markings indicating 200 mL +/- 10 mL and 50–60 mm ID or clear, heat resistant, tall form beakers ...
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ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow
ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow Test (LTFT)3. Summary of Test Method3.1 The temperature of a series of test specimens of fuel is lowered at a prescribed cooling rate. Commencing at a desired test temperature and at each 1°C interval thereafter, a separate ...
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ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow
ASTM D4539 Test Method for Filterability of Diesel Fuels by Low-Temperature Flow Test (LTFT)1. Scope1.1 This test method estimates the filterability of diesel fuels in some automotive equipment at low temperatures.1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses ...
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ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration
ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration10. Report10.1 Report results to the nearest 0.001 % as the mass percent of sediment by membrane filtration. The test report shall reference this Test Method D4807 as the procedure used.11. Precision and Bias11.1 Repeatability ...
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ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration
ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration8. Procedure8.1 Prepare nylon filters by heating in an oven at 105°C for 15 min. Cool and store the dried filters in a desiccator (without desiccant) until needed. Use only new filters.8.2 Weigh the filter immediately before ...
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ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration
ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration5. Apparatus5.1 Reservoir and Filter Support Assembly - an assembly designed to hold 47-mm diameter filters was used in the development of this test method (see Fig. 1).5.1.1 Filter Reservoir - capable of holding from about ...
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ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration
ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration3. Summary of Test Method3.1 A portion of a representative crude oil sample is dissolved in hot toluene and filtered under vacuum through a 0.45-µm porosity membrane filter. The filter with residue is washed, dried, and ...
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ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration
ASTM D4807 Standard Test Method for Sediment in Crude Oil by Membrane Filtration1. Scope1.1 This test method covers the determination of sediment in crude oils by membrane filtration. This test method has been validated for crude oils with sediments up to about 0.15 mass %.1.2 This standard does not ...
