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TAPPI T699
- Analysis of Pulping Liquors by Suppressed Ion Chromatography
- standard by Technical Association of the Pulp and Paper Industry,
- Publisher: TAPPI
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This method provides procedures for determination of sulfide, sulfite, sulfate, thiosulfate, chloride, andcarbonate in white, green, and black liquors and in solidified smelt. In addition, procedures for determining oxalate, lactate, formate, acetate, and propionate in black liquor are provided.Concentrations determined by this method are in the mg/L (ppm) range. Liquors containing higher anion concentrations are diluted to the mg/L level before analysis.
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