Research Report RR:D02-1614
The precision of this test method was determined by the statistical evaluation of the interlaboratory test results. For measuring total chloride, both methods of suppression provided a single precision statement. For total and potential sulfate, the data indicated two distinct statistical populations, reflecting use of the packed bed tri-chamber suppressor regeneration approach and the continuous suppressor membrane regeneration approach.
D7319-13 Standard Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol and Butanol by Direct Injection Suppressed Ion Chromatography
Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants
Subcommittee D02.03 on Elemental Analysis