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ASTM D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus
ASTM D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus3. Terminology Definitions3.1 Type I Mineral Oil - an oil for apparatus where normal oxidation resistance is required. Some oils may require the addition of a suitable oxidation inhibitor to achieve this.3.2 Type II Mineral ...
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ASTM D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus
ASTM D3487 Specification for Mineral Insulating Oil Used in Electrical Apparatus1. Scope1.1 This specification covers new mineral insulating oil of petroleum origin for use as an insulating and cooling medium in new and existing power and distribution electrical apparatus, such as transformers, regulators, ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method11. Report11.1 Report the following information:11.1.1 Identification of test specimen,11.1.2 Density used for calculations (water and test specimen), and11.1.3 Test method used and interfacial tension in mN/m.12. Precision and ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method9. Procedure9.1 Preparation of Test Specimens:9.1.1 Obtain a representative test specimen of liquid, at least 25 mL, to be studied in accordance with Test Method D923.9.1.2 Obtain a fresh aliquot of distilled water (50 to 75 mL) ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method7. Preparation of Apparatus7.1 Glass containers can be cleaned by rinsing in xylene, hexane or another suitable hydrocarbon solvent, followed by a rinse in acetone or methyl ethyl ketone. Following these rinses they can be cleaned ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method5. Apparatus (Figs. 1 and 2)5.1 Tensiometer - Force measurement on the tensiometer may be made using a torsion wire, load cell, or any other means of linearly determining tension in the range of 0 to 100 mN/m.5.1.1 Horizontal platform ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method3. Summary of Test Method3.1 Interfacial Tension is determined by measuring the force necessary to detach a planar ring of platinum wire from the surface of the liquid of higher surface tension, that is, upward from the water-oil ...
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ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method
ASTM D971 for Interfacial Tension of Oil Against Water by the Ring Method1. Scope1.1 This test method covers the measurement of the interfacial tension between mineral oil and water, under non-equilibrium conditions.1.2 This standard does not purport to address all of the safety concerns, if any, associated ...
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ASTM D2161 Practice for Conversion of Kinematic Viscosity
ASTM D2161 Practice for Conversion of Kinematic ViscosityASTM D2161 Standard Practice for Conversion of Kinematic Viscosity ot Saybolt Universal Viscosity or to Saybolt Furol Viscosity9. Report9.1 Saybolt Universal and Saybolt Furol viscosities should be reported to the nearest 0.1 s for values below ...
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ASTM D2161 Practice for Conversion of Kinematic Viscosity
ASTM D2161 Practice for Conversion of Kinematic ViscosityASTM D2161 Standard Practice for Conversion of Kinematic Viscosity ot Saybolt Universal Viscosity or to Saybolt Furol Viscosity5. Procedure for Conversion to Saybolt Universal Viscosity5.1 Convert kinematic viscosities between 1.81 and 500 mm2/s ...
