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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids9. Calculations and Report9.1 Calculate the thermal conductivity of the sample using Eq 2, used in conjunction with appropriate values of A and B, as follows:9.2 Calculate a preliminary value of KL using each set of experimental data ...
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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids8. Procedure8.1 Fill the cell with the sample until the liquid reaches a level of about 1 or 2 cm in the sidearm. Place it in the thermostated bath and allow to stand until thermal equilibrium is obtained. Determine equilibrium when the ...
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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids7. Standardization of Apparatus7.1 The thermal conductivity of the cell contents, KL, shall be expressed in terms of the following equation:where A and B are essentially constants that depend on the dimensions of the cell and its materials ...
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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids6. Apparatus6.1 Thermal Conductivity Cell, consists essentially of a thin, straight platinum filament sealed axially in a borosilicate glass tube. The filament is held taut by a platinum spring. Two heavy gage platinum studs support the ...
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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids4. Summary of Test Method4.1 A thermal conductivity cell consisting of a straight, four-lead, platinum resistance thermometer element located concentrically in a long, small-diameter, precision-bore borosilicate glass tube is calibrated ...
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ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids
ASTM D2717 Standard Test Method for Thermal Conductivity of Liquids1. Scope1.1 This test method covers the determination ofthe thermal conductivity of nonmetallic liquids. It is applicable to liquids that are: (1) chemically compatible with borosilicate glass and platinum; (2) moderately transparent ...
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ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard
ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard10. Report10.1 Report the surface wax weight in grams per square metre. To convert from grams per square metre to pounds per ream, see Test Method D646. To obtain results in terms of pounds per 1000 ft2, multiply the grams per ...
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ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard
ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard8. Procedure8.1 Prepare a specimen consisting of a 100 mm by 100 mm square of waxed paper. Determine the area (in square millimetres) of each specimen to the nearest 1.0 % of its total area.8.2 Weigh the specimen on the analytical ...
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ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard
ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard6. Apparatus6.1 Pad of paper to be used as a cushion under the waxed paper specimens during the scraping operation.6.2 Analytical Balance, capable of reproducing weights to the nearest 0.001 g.6.3 Razor Blade, single-edged for ...
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ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard
ASTM D2423 Standard Test Method for Surface Wax on Waxed Paper or Paperboard4. Summary of Test Method4.1 The quantity of wax present as a surface film on paper or paperboard is determined through the difference in weight of specimens before and after scraping with a razor blade.5. Significance and Use5.1 ...