… Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but …
Explanatory notes
… 38.04 ‑ Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but … or chemically treated. Concentrated sulphite lye consists mainly of salts of lignosulphonic acids mixed with sugars …