Reference
Method
Test
Reagent #
Reagent Name
TAPPI
Copper number of pulp, paper, and paperboard
N/A
4.1
Copper sulfate solution
EPA
Spectrophotometric, Manual 4-AAP with Distillation
Phenolics, Total Recoverable
7.2
Copper Sulfate Solution
EPA
Spectrophotometric, MBTH with Distillation
Phenolics, Total Recoverable
7.1
Copper Sulfate Solution