— carbonate for sizing, [138]
—, commercial kinds, [177]
—, destructive action on cellulose, [64]
— drums, emptying, [179]
— for esparto, [89]
— for isolating cellulose, [63]
— in relation to pressure, [64]
— liquor from esparto, treatment of, [98]
— —, evaporating, [180], [231]
— —, removing sodium-sulphur compounds, [191]