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ASTM D56 standard test method for flash point by Tag closed cup tester
ASTM D56 standard test method for flash point by Tag closed cup tester13. Report13.1 Correction for barometric pressure. Observe and record the ambient barometric pressure at the time and place of the test. When the pressure differs from 101.3 kPa (760 mmHg), correct the flash point as follows:Corrected ...
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ASTM D56 standard test method for flash point by Tag closed cup tester
ASTM D56 standard test method for flash point by Tag closed cup tester10. Apparatus (Automated Instrument)10.1 An automated flash point instrument is used that is capable of performing the test in accordance with Section 9. The apparatus can use a gas test flame or electric ignitor. The dimensions for ...
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ASTM D56 standard test method for flash point by Tag closed cup tester
ASTM D56 standard test method for flash point by Tag closed cup tester6. Apparatus (Manual Instrument)6.1 Tag Closed Tester - The apparatus is shown in Fig. 1 and described in detail in Annex A1.6.2 Shield - A shield 460 mm (18 in.) square and 610 mm (24 in.) high, open in front, is recommended.6.3 Temperature ...
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ASTM D56 standard test method for flash point by Tag closed cup tester
ASTM D56 standard test method for flash point by Tag closed cup tester4. Summary of Test Method4.1 The specimen is placed in the cup of the tester and, with the lid closed, heated at a slow constant rate. An ignition source is directed into the cup at regular intervals. The flash point is taken as the ...
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ASTM D56 standard test method for flash point by Tag closed cup tester
ASTM D56 standard test method for flash point by Tag closed cup tester1. Scope1.1 This test method covers the determination of the flash point, by tag manual and automated closed testers, of liquids with a viscosity below 5.5 mm2/s (cSt) at 40°C (104°F), or below 9.5 mm2/s (cSt) at 25°C (77°F), and ...
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ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration
ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration12. Calculation12.1 Calculate the mass % water in a crude oil sample as follows:where:W1 = mass of water titrated, µg andW2 = mass of sample used, µg.12.2 Calculate the volume % water in a crude oil sample as follows:where:V1 = ...
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ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration
ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration11. Procedure11.1 Mass Determination of Sample Size:11.1.1 Add fresh solvents to the anode and cathode compartments of the titration vessel and bring the solvent to end-point conditions as described in Section 9.11.1.2 Add an aliquot ...
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ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration
ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration8. Sampling and Test Specimens8.1 Sampling is defined as all the steps required to obtain an aliquot representative of the contents of any pipe, tank, or other system and to place the sample into a container for analysis by a laboratory ...
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ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration
ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration6. Apparatus6.1 Karl Fischer Apparatus, using electrometric end-point. Presently there are available on the market a number of commercial coulometric Karl Fischer titration assemblies. Instructions for operation of these devices ...
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ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration
ASTM D4928 for water in crude oils by Coulometric Karl Fischer titration3. Summary of Test Method3.1 After homogenizing the crude oil with a mixer, an aliquot is injected into the titration vessel of a Karl Fischer apparatus in which iodine for the Karl Fischer reaction is generated coulometrically at ...
