Initiators, ozone generation 788

inorganic compounds 1033–1037

– black liquor composition 968

– cellulose protection/degradation 668–671

– commercial paper-grade pulp 1014

– pulp 1219–1224

– woods 39–41

inorganic reactions, kraft pulping 184–185

Integral level, wood characterization 21

Intercellular layer, cell components 44

Interstage washing 948

intra-stage circulation, liquor 888–890

Intramolecular formation, epoxides 171

Intramolecular hydrogen bond, cleavage 941

Intrinsic viscosity 1250

– as function of H-factor 357

– as function of P-factor 353

– as function of residual EA 270, 272, 302

– CED 451

– in relation to pulp strength for kraft

Softwood pulp 236

Inverse size-exclusion chromatography 1053

Ion diffusion, effect of pressure steaming 149

Ionic strength

– effect on kraft cooking kinetics models

– effect on modified kraft cooking 244–248

Iron, removal 862

Iron (III) salts, cotton bleaching 709

Iron sodium tartrate 1241

Irregular piles, wood log storage 1076

ISEC see inverse size-exclusion

Chromatography

ISO Standard method

– brightness measurement 610

– see also brightness

Isoflavones, hardwoods 38

Isoprene units, terpenes 35

Isotherm, Langmuir 519

Isothermal cooking see ITC

ITC 9, 269–274, 297, 695

– brightness gain in relation to consumed

OXE 273

– process steps and flow regime 387

– single-vessel hydraulic digester 386

– technology and equipment 386–388

j

Jack pine, carbohydrate composition of sulfite

And kraft pulp 470

Japan

– legislation 1198

– recovered paper grades 1161, 1163