R. Eugster et Lj. Kucera, RAPID AND NONDESTRUCTIVE DETERMINATION OF WOOD TYPES USING FT-NIR IN CELLULOSE PRODUCTION, Holz als Roh- und Werkstoff, 53(6), 1995, pp. 392-392
Subject The calcium bisulphite pulping is limited to softwoods without
aromatic heartwood substances. While fir and spruce are admissible, l
arch, douglas fir and pines must be excluded. Chips deliveries often i
nclude these last species, thus causing serious difficulties in pulpin
g. A fast and non-destructive method for the identification of these s
pecies is presented.