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- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric Determination24. Quality Assurance/Quality Control24.1 Minimum quality control requirements are an initial demonstration of proficiency, plus analysis of method blanks and quality control samples. ...
- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric DeterminationTEST METHOD B - SOXHLET EXTRACTION16. Scope16.1 This test method covers the estimation of oil and grease from 20 to 200 mg/L in water and wastewater by a gravimetric determination of fluorocarbon ...
- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric DeterminationTEST METHOD A - LIQUID-LIQUID EXTRACTION8. Scope8.1 This test method covers the estimation of oil and grease from 4 to 100 mg/L in water and wastewater by a gravimetric determination of ...
- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric Determination6. Purity of Reagents6.1 Reagent grade chemicals shall be used in all tests. Unless otherwise indicated, it is intended that all reagents shall conform to the specifications of the Committee ...
- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric Determination4. Significance and Use4.1 A knowledge of the quantity of oil and grease present in a waste is helpful in overcoming difficulties in wastewater treatment plant operation, in determining ...
- ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Sub ASTM D4281 Standard Test Method for Oil and Grease (Fluorocarbon Extractable Substances) by Gravimetric Determination1. Scope1.1 These test methods cover the estimation of oil and grease in water and wastewater by a gravimetric determination of fluorocarbon extractable substances from an acidified sample. ...
- ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)17. Report17.1 Report the following information:17.1.1 A reference to this test method,17.1.2 Identification of the test specimen, and17.1.3 Concentration in the test ...
- ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)14. Calibration14.1 Calibration consists of development of a calibration curve for each furanic compound, development of extraction efficiencies for each extracted furanic ...
- ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)12. Liquid/Liquid Extraction Procedure - Method A12.1 Measure 1 to 2 mL ofthe extraction solvent (methanol, acetonitrile, or methanol/acetonitrile) into 10 mL of the ...
- ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating L ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)10. Preparation of Extraction Standards in Solvent10.1 Prepare the extraction standards by dilution of a weighed standard compound to a standard volume or by volumetric ...