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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 Pitch7. Hazards7.1 Fumes of the solvents should be removed by means of proper hoods from all working areas. The working area should be kept free of sparks and flames. Quinoline fumes should not be inhaled, and prolonged contact with ...
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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 Pitch5. Apparatus5.1 Pressure Filtration Vessel - The pressure filtration vessel (see Fig. 1) is a stainless steel (304) jacketed block heated by steam or cooled with water, sealed by a lid, flat gasket, and clamp. The interior of the ...
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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 Pitch3. Summary of Test Method3.1 The sample is digested in hot quinoline and filtered through a heated pressure filter. The insoluble material is washed with hot, fresh quinoline and with cold acetone, dried, and weighed.4. Significance ...
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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 PitchASTM D4746 Standard Test Method for Determination of Quinoline Insolubles (QI) in Tar and Pitch by Pressure Filtration1. Scope1.1 This test method covers the determination of the quinoline-insoluble matter (QI) in tar and pitch ...
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ASTM D2027 Standard Specification for Cutback Asphalt (Medium-Curing Type)
ASTM D2027 Standard Specification for Cutback Asphalt (Medium-Curing Type)1. Scope1.1 This specification covers cutback petroleum asphalts of the medium-curing type for use in the construction and treatment of pavements.1.2 The values stated in SI units or inch-pounds are to be regarded separately as ...
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ASTM D2026 Standard Specification for Cutback Asphalt (Slow-Curing Type)
ASTM D2026 Standard Specification for Cutback Asphalt (Slow-Curing Type)1. Scope1.1 This specification covers cutback petroleum asphalts of the slow-curing type for use in the construction and treatment of pavements.1.2 Units - The values stated in either SI units or inch-pound units are to be regarded ...
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ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Mat
ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Materials9. Analyzer Parameter Adjustment9.1 Adjust analyzer response parameters only when the analyzer's control sample SPC chart indicates one or more rule violations, and after investigation, causes have been found and eliminated. ...
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ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Mat
ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Materials6. System Components6.1 Process analyzers for measuring the chemical composition of aromatic hydrocarbons, their purity, or physical properties often replace existing laboratory test methods, using the same or similar ...
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ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Mat
ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Materials4. Summary of Practice4.1 This practice standardizes aromatic hydrocarbon process-analyzer performance testing practices, or processes for maintaining accurate and precise analyzer measurements. It is used with methods ...
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ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Mat
ASTM D6621 Performance Testing of Process Analyzers for Aromatic Hydrocarbon Materials1. Scope1.1 This practice serves as a practical guide for the performance testing of process stream analyzers specifically for measuring chemical or physical characteristics of liquid aromatic hydrocarbon materials ...
