Standard: TAPPI T 613

ANALYSIS OF CAUSTIC SODA

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Scope:

This method describes a procedure for the analysis of caustic soda (sodium hydroxide). The following determinations comprise the usual complete analysis: alkalinity (total), carbonate, chloride, iron, and sulfate.

Most of the caustic soda used by the pulp and paper industry is a water solution of approximately 50% or 73% NaOH; it is also available in solid, flake, or ground (powder) form. Commercially, it is quoted on a 76% sodium oxide (Na2O) basis, approximately equivalent to 98% NaOH.

Organization: TAPPI
Document Number: tappi t 613
Publish Date: 2010-01-01
Page Count: 9
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active
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