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ASTM D3305 Standard Practice for Sampling Small Gas Volume in a Transformer
ASTM D3305 Standard Practice for Sampling Small Gas Volume in a Transformer1. Scope1.1 This practice covers the sampling of gas from a transformer gas space or from a gas-collector relay where the volume of gas available is small and will not permit the use of Practice D2759.1.2 This practice covers ...
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ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax
ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax9. Report9.1 Report the following information:9.1.1 Report the apparent viscosity at a given temperature along with the particulars of the instrument model, the spindle number and rotational speed.9.1.2 Conversion:One pascal ...
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ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax
ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax7. Procedure7.1 Use spindle number 31 for this test.7.2 Preparation of Sample - Place 8 g or approximately 10 mL of sample in the sample chamber. Melt the sample in the thermo-container preheated and set at 140°C. If polyethylene ...
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ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax
ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax4. Significance and Use4.1 This test method is used to determine a physical property of a wax and may determine the utility of the wax, as well as being a significant quality control test.5. Apparatus5.1 Brookfield Thermosel ...
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ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax
ASTM D1986 Method for Determining the Apparent Viscosity of Polyethylene Wax1. Scope1.1 This test method covers the determination of the viscosity in centipoise of polyethylene wax using the Brookfield LVT or LVF viscometer and thermosel system.1.2 This standard does not purport to address all of the ...
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ASTM E287 Standard Specification for Laboratory Glass Graduated Burets
ASTM E287 Standard Specification for Laboratory Glass Graduated Burets5. Sampling and Testing5.1 For sampling and testing, refer to Specification E1157.6. Packaging6.1 For packaging, select from Specification E920 or E921 or Practice E1133.7. Keywords7.1 burets; glass; graduated
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ASTM E287 Standard Specification for Laboratory Glass Graduated Burets
ASTM E287 Standard Specification for Laboratory Glass Graduated Burets3. General Requirements3.1 Calibration - Burets shall be calibrated to deliver the intended volume at 20°C. No after-drainage period is allowed. Volumetric tolerances shall be within the limits specified in Table 1.4. Design4.1 Shape ...
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ASTM E287 Standard Specification for Laboratory Glass Graduated Burets
ASTM E287 Standard Specification for Laboratory Glass Graduated Burets1. Scope1.1 This specification covers requirements for glass burets of precision and general-purpose grades suitable for laboratory use.1.1.1 Class A - Each buret of precision grade may be marked with the letter "A" to signify compliance ...
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ASTM D4746 for Determination of Quinoline Insolubles (QI) in Tar and Pitch
ASTM D4746 for Determination of Quinoline Insolubles (QI) in Tar and Pitch14. Report14.1 Report the quinoline insoluble (QI) content to the nearest 0.1 %.15. Precision and Bias15.1 Repeatability - Duplicate values by the same operator shall not be considered suspect unless they differ by more than 0.2 ...
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ASTM D4746 for Determination of Quinoline Insolubles (QI) in Tar and Pitch
ASTM D4746 for Determination of Quinoline Insolubles (QI) in Tar and Pitch12. Procedure12.1 Weigh the recommended amount of sample (usually 2.5 g) into a 50-mL beaker and record weight (W1).12.2 Add 2.0 mL of refined quinoline per gram of sample to beaker.12.3 Place thermometer 0 to 300°F (150°C) (6 ...
