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The determination of water in additives, lube oils, automatic transmission fluids, hydrocarbon solvents and other petroleum products is critical to enable accurate prediction of performance and quality of industrial equipment. The presence of water in such samples can lead to corrosion and wear of machinery as well as reduce the effectiveness of lubricating additives. Adhering to ASTM D6504, the Aquamax Karl Fisher Oil Evaporator model 51000 is designed as a stand-alone unit to be used in conjunction with most leading models of coulometric and volumetric Karl Fischer titrators.
The oven temperature can be adjusted from ambient to 200 with a digital carrier gas flow setting of 300 ml per minute. To conform to ASTM D6304 procedure C, a 5 gram sample is made up to 10ml with dried hexane, shaken until dissolved. Next, a 1.0ml aliquot is injected into the base oil of the oil evaporator. The liberated moisture is then transferred into the titration vessel by the carrier gas, where it is titrated coulometrically.
