-
METALS IN LUBRICATING OILS BY ENERGY DISPERSIVE X-RAY FLUORESCENCE SPECTROSCOPY:
METALS IN LUBRICATING OILS BY ENERGY DISPERSIVE X-RAY FLUORESCENCE SPECTROSCOPY: ASTM D6481EXPLANATIONSome oils are formulated with organo-metallic additives, which act, for example, as detergents, antioxidants, and antiwear agents. Some of these additives contain one or more of these elements: calcium, ...
-
METAL ANALYSIS IN LUBRICATING OILS AND ADDITIVES BY WAVELENGTH DISPERSIVE X-RAY
METAL ANALYSIS IN LUBRICATING OILS AND ADDITIVES BY WAVELENGTH DISPERSIVE X-RAY FLUORESCENCE (WD-XRF): ASTM D6443TEST SUMMARYThis test method covers the determination of additive elements calcium, chlorine, copper, magnesium, phosphorus, silicon, and zinc in unused lubricating oils, additives, and additive ...
-
METAL ANALYSIS X-RAY FLUORESCENCE SPECTROMETRY: ASTM D4927
METAL ANALYSIS X-RAY FLUORESCENCE SPECTROMETRY: ASTM D4927(Equivalent Test Methods: IP 407 and DIN 51391 T2)TEST SUMMARYThis test method covers the determination of barium, calcium, phosphorus, sulfur, and zinc in unused lubricating oils at element concentration ranges of 0.03 to 1.0 % mass (0.01 to ...
-
WEAR METALS AND CONTAMINANTS IN USED OILS/HYDRAULIC FLUIDS USING ROTRODE EMISSIO
WEAR METALS AND CONTAMINANTS IN USED OILS/HYDRAULIC FLUIDS USING ROTRODE EMISSION SPECTROMETRY: ASTM D6595EXPLANATIONThe determination of debris in used lubricating oils is a key diagnostic method practiced in machine condition monitoring programs. The presence or increase in concentration of specific ...
-
METAL ANALYSIS IN PETROLEUM COKE BY WAVELENGTH DISPERSIVE X-RAY SPECTROSCOPY: AS
METAL ANALYSIS IN PETROLEUM COKE BY WAVELENGTH DISPERSIVE X-RAY SPECTROSCOPY: ASTM D6376EXPLANATIONThe presence and concentration of sulfur and various metallic elements in a petroleum coke are major factors determining the suitability of a coke for various purposes. This test method provides a rapid ...
-
METAL ANALYSIS IN PETROLEUM COKE BY ICPAES: ASTM D5600
METAL ANALYSIS IN PETROLEUM COKE BY ICPAES: ASTM D5600EXPLANATIONSee Test Method ASTM D5056 just previous to this analysis.TEST SUMMARYA sample of petroleum coke is ashed at 700° C. The ash is fused with lithium borate. The melt is dissolved in dilute hydrochloric acid, and the resultant solution is ...
-
METAL ANALYSIS IN PETROLEUM COKE BY AAS: ASTM D5056
METAL ANALYSIS IN PETROLEUM COKE BY AAS: ASTM D5056EXPLANATIONThe presence and concentration of various metallic elements in a petroleum coke are major factors in the suitability of the coke for various uses. This test method can be used by the buyer and seller in the commercial transfer of petroleum ...
-
PHOSPHORUS IN ILSAC GF4 ENGINE OILS BY ICP-AES: ASTM D7040
PHOSPHORUS IN ILSAC GF4 ENGINE OILS BY ICP-AES: ASTM D7040EXPLANATIONGF 4 grade engine oils marketed in the year 2004 - 2005 and beyond will have a maximum phosphorus content of 500 to 800 mg/kg. These limits are required to minimize poisoning of automotive emission control catalysts by volatile phosphorus ...
-
METAL ANALYSIS IN CRUDE OILS AND FUELS BY ICP-AES: ASTM D5708
METAL ANALYSIS IN CRUDE OILS AND FUELS BY ICP-AES: ASTM D5708EXPLANATIONWhen fuels are combusted, vanadium present in the fuel can form corrosive compounds. The value of crude oils can be determined, in part, by the concentrations of nickel, vanadium, and iron. Nickel and vanadium present at trace levels ...
-
METALS IN LUBRICATING GREASES BY ICP-AES: ASTM D7303
METALS IN LUBRICATING GREASES BY ICP-AES: ASTM D7303EXPLANATIONLubricating greases are used in almost all bearings used in any machinery. Lubricating greases are composed of about 90 % additized oil and soap or other thickening agent. There are over a dozen metallic elements present in grease, either ...
