Explanatory notes
… wood pulp after one hour in a caustic soda solution containing 18 % sodium hydroxide (NaOH) at 20 °C, and for … of this Chapter consists essentially of cellulose fibres obtained from various vegetable materials, or from waste textiles of vegetable …Legal note
… wood pulp after one hour in a caustic soda solution containing 18 % sodium hydroxide (NaOH) at 20 °C, and for …