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uses of, 33

yield of, compared with tar and • charcoal, 46 111 hardwood distillation, 24, 28 from various species, 44 Methyl chavicol, in1 pine oil, 106 "Methyl number," in wood analysis, 39

Moisture, contained in wood, 47 effect 011 yield, 58 relation to humidity, 48 Multiple effect evaporators, for acetate liquors, 2a

"Nigre," composition of, 132 Nitrogen content of wood, 39

Oak, yields of various products from,

44, 45, 46, 47 Oak, black, yields of various products from, 44, 45 Oak, tanbark, analytical data, 37 Oak, white, yields of various products from, 44, 45, 46 Oils, from softwood distillation, refining of, us Oleoresin, definition of, 105 Oven. See Distilling oven

Paper pulp, from extracted chiçs, 13S Partial pressure effect, in refining by steam distillation, 116 Pentosans, determination , of, 36 Phenol, in hardwood tar, 67 Phosphoric acid, effect on yield, 59,

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