… Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including …
Explanatory notes
… Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including … Concentrated sulphite lye consists mainly of salts of lignosulphonic acids mixed with sugars and other products. … with a vitreous fracture (in this case, it is sometimes known as sulphite pitch or cellulose pitch), or of a dry …