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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer14. Report14.1 Report the following data and information:14.1.1 Information on the inoculum, including source, date of collection, storage, handling, and ...
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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer12. Procedure12.1 Set up the closed respirometer (see the examples described in 6.1, manufacturer's manual, ISO 9408:1999, or OECD 301F:1992). For each blank, ...
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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer10. Hazards10.1 This test method includes the use of hazardous chemicals. Avoid contact with chemicals and follow the manufacturer's instructions and Material ...
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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer6. Apparatus6.1 Closed Respirometer:6.1.1 The principle of a closed respirometer is given in Fig. 2. When testing volatile compounds, the apparatus used ...
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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer4. Summary of Test Method4.1 Biodegradation of a lubricant or the component(s) of a lubricant is determined by measuring the oxygen consumed when the lubricant ...
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ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradab
ASTM D6731 Standard Test Method for Determining the Aerobic, Aquatic Biodegradability of Lubricants or Lubricant Components in a Closed Respirometer1. Scope1.1 This test method covers a procedure for determining the degree of biodegradability of lubricants or their components in an aerobic aqueous medium ...
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ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content
ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content of Tar and Pitch14. Report14.1 Report the percentage of matter insoluble in dimethylformamide (DMF-I) to the nearest 0.1 %. Duplicate runs that agree within 1.0 % absolute are acceptable for averaging (95 % confidence level).15. ...
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ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content
ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content of Tar and Pitch12. Procedure12.1 Make and record all weighings to the nearest 0.5 mg.12.2 Transfer 0.45 g to 0.55 g of Celite to a clean, filtering crucible. Distribute the Celite evenly over the bottom. Dry in an oven at ...
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ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content
ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content of 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. DMF fumes should not be inhaled, and prolonged ...
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ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content
ASTM D2764 Standard Test Method for Dimethylformamide-Insoluble (DMF-I) Content of Tar and Pitch5. Apparatus5.1 Filtering Crucible, porcelain, with fine-porosity bottom, 30 mL to 40 mL capacity, high form, maximum pore diameter 7 µm.5.2 Filter Apparatus - Filter flask and tube with crucible adapter.5.3 ...
