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  • ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy9. Procedure9.1 Deliver 100 µL of bromine solution into a vial.9.2 Add 1.0 mL of the gasoline sample. Mix well.9.3 Add 9.0 mL of methyl isobutyl ketone. Mix well.9.4 Aspirate the working standards and the sample into the flame and ...
  • ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy5. Apparatus5.1 Atomic Absorption Spectrometer, capable of scale expansion and equipped with a manganese hollow-cathode lamp for monitoring manganese absorption at 279.5 nm, a premix slot-type burner with rotatable burner head, and ...
  • ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy3. Summary of Test Method3.1 The gasoline sample is treated with bromine solution and diluted with methyl isobutyl ketone. The manganese content of the sample is determined by atomic absorption spectrometry using an air-acetylene flame ...
  • ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy ASTM D3831 for Manganese in Gasoline By Atomic Absorption Spectroscopy1. Scope1.1 This test method covers the determination of the total manganese content, present as methylcyclopentadienyl manganese tricarbonyl (MMT), of gasoline within the concentration range from 0.25 to 40 mg/L of manganese.1.2 This ...
  • WEAR CHARACTERISTICS OF TRACTOR HYDRAULIC FLUIDS: D4998 WEAR CHARACTERISTICS OF TRACTOR HYDRAULIC FLUIDS: D4998EXPLANATIONMany modern tractor designs use hydraulic fluid to lubricate the transmission and final drive gears. This test method is used to screen the suitability of the tractor hydraulic fluids for gear wear. Although primarily applicable for tractor ...
  • WEAR LIFE OF SOLID FILM LUBRICANTS: D2981 WEAR LIFE OF SOLID FILM LUBRICANTS: D2981EXPLANATIONThis test method is used for determining the wear life properties of bonded solid film lubricants under oscillating motion by means of a block-on-ring friction and wear testing machine. This test method differentiates between bonded solid lubricants ...
  • WEAR CHARACTERISTICS OF HYDRAULIC FLUIDS: D2882 WEAR CHARACTERISTICS OF HYDRAULIC FLUIDS: D2882EXPLANATIONThis test method is an indicator of the wear characteristic of petroleum and nonpetroleum hydraulic fluids operating in a constant volume vane pump. Excessive wear in vane pumps could lead to malfunction of hydraulic systems in critical applications.TEST ...
  • WEAR CHARACTERISTICS OF LUBRICATING GREASE (FOUR BALL METHOD): D2266 WEAR CHARACTERISTICS OF LUBRICATING GREASE (FOUR BALL METHOD): D2266(Equivalent Test Methods: IP 239, ISO 11008, and DIN 51350)EXPLANATIONThe four ball wear test method can be used to determine the relative wear preventing properties of greases in sliding steel-on-steel applications under specific test ...
  • WEAR PREVENTIVE PROPERTIES OF LUBRICATING GREASES: D3704 WEAR PREVENTIVE PROPERTIES OF LUBRICATING GREASES: D3704EXPLANATIONThis test method is used to differentiate between greases having high, medium, and low wear preventive properties using Falex block-on-the ring friction and wear test machine.TEST SUMMARYThe tester is operated with a steel test ring oscillating ...
  • WEAR CHARACTERISTICS OF LUBRICATING FLUID (FOUR BALL METHOD): D4172 WEAR CHARACTERISTICS OF LUBRICATING FLUID (FOUR BALL METHOD): D4172EXPLANATIONThis test method covers a procedure for making a preliminary evaluation of the anti-wear properties of fluid lubricants in sliding contact by means of the Four-Ball Wear Test Machine. No attempt has been made to correlate this ...