SEDL / STP / STP116-EB / STP39249S

Determination of Calcium in Lubricating Oils by Flame Spectrophotometer

Moberg, ML
California Research Corp., Richmond, Calif.

Waithman, VB
California Research Corp., Richmond, Calif.

Ellis, WH
California Research Corp., Richmond, Calif.

DuBois, HD
California Research Corp., Richmond, Calif.

Pages: 5    Published: Jan 1952

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Abstract

A simple flame photometer method is described by which a semi-skilled operator can in 20 min determine the calcium content of lubricating oils and additive concentrates. It is useful for concentrations as low as 0.01 per cent calcium, and the accuracy is comparable with that of ASTM Methods D 811 -48.