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ASTM D2276 for Particulate Contaminant in Aviation Fuel by Line Sampling
ASTM D2276 for Particulate Contaminant in Aviation Fuel by Line Sampling4. Summary of Test Method4.1 A known volume of fuel is filtered through a preweighed test membrane filter in a field monitor and the increase in membrane filter mass determined after washing and drying. The change in mass of a control ...
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ASTM D2276 for Particulate Contaminant in Aviation Fuel by Line Sampling
ASTM D2276 for Particulate Contaminant in Aviation Fuel by Line Sampling1. Scope1.1 This test method covers the determination of particulate contaminant in aviation turbine fuel using a field monitor.1.2 There are two test methods described. The basic test method is used to evaluate the level of contamination ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials10. Report10.1 Report to nearest whole unit the average of three penetrations whose values do not differ by more than the following:11. Precision and Bias11.1 Precision estimates for this test were developed using the AMRL proficiency ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials9. Procedure9.1 Examine the needle holder and guide to establish the absence of water and other extraneous materials. If the penetration is expected to exceed 350 use a long needle, otherwise use a short needle. Clean a penetration needle ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials7. Preparation of Test Specimen7.1 If the sample is not sufficiently fluid as received, heat the sample with care, stirring when possible to prevent local overheating, until it has become sufficiently fluid to pour. In no case should ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials6. Apparatus6.1 Penetration Apparatus - Any apparatus that permits the needle holder (spindle) to move vertically without measurable friction and is capable of indicating the depth of penetration to the nearest 0.1 mm, will be acceptable. ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials4. Summary of Test Method4.1 The sample is melted (if starting at ambient temperature) and cooled under controlled conditions. The penetration is measured with a penetrometer by means of which a standard needle is applied to the sample ...
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ASTM D5 Standard Test Method for Penetration of Bituminous Materials
ASTM D5 Standard Test Method for Penetration of Bituminous Materials1. Scope1.1 This test method covers determination of the penetration of semi-solid and solid bituminous materials.1.2 The needles, containers and other conditions described in this test method provide for the determinations of penetrations ...
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ASTM D2425 for Hydrocarbon Types in Middle Distillates by Mass Spectrometry
ASTM D2425 for Hydrocarbon Types in Middle Distillates by Mass Spectrometry12. Precision and Bias12.1 The precision of this test method as obtained by statistical examination of interlaboratory test results on samples having the composition given in Table 6 is as follows:12.1.1 Repeatability - The difference ...
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ASTM D2425 for Hydrocarbon Types in Middle Distillates by Mass Spectrometry
ASTM D2425 for Hydrocarbon Types in Middle Distillates by Mass Spectrometry11. Calculations11.1 Aromatic Fraction - Read peak heights from the record mass spectrum corresponding to m/e + ratios of 67 to 69, 71, 81 to 83, 85, 91, 92, 96, 97, 103 to 106, 115 to 120, 128 to 134, 141 to 148, 151 to 162, ...
