Article1 min read Mar 26, 2025STAR - March 2025 - STAR of the MonthTAPPI Standards Department has published Useful Method 251 for Permanganate Number of Pulp, providing operations managers and R&D professionals with standardized procedures to determine bleachability of chemical pulps. This comprehensive method covers two variations: one for low lignin content pulps (permanganate number under 20) and another for higher lignin content pulps (20-35 range). Developed through collaborative industry expertise from Ahlstrom, Solenis LLC, and SSG Integrated Paper Services, this standard enables precise quality control benchmarking and helps technical leaders demonstrate measurable ROI through improved pulp assessment protocols and operational efficiency.
