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TAPPI T282 om-13
- Hexeneuronic acid content of chemical pulp
- standard by Technical Association of the Pulp and Paper Industry, 05/01/2013
- Publisher: TAPPI
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This method describes a procedure to determine hexeneuronic acid groups (HexA) in chemical pulps. HexA affects the kappa number determination by reaction with permanganate, and can react with certain bleaching chemicals, e.g. chlorine dioxide and ozone, but not with some others such as oxygen and peroxide.
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