304 Index
Scanning Auger electron spec-
troscopy (SAES), 141-2
Scanning electron microscope
(SEM),49,136,141
Schlieren optical method, 29-30,32,
34,195
Schulze-Hardy rule, 210-11,227
Secondary minimum, 220-22
Sedimentation:
coefficient, 34,39
equilibrium, 25,33,35-7, 39, 53,
85-6
potential, 190
velocity, 21-2,32-5,39,234
volume, 233-4
Sensitisation, 240-1
Sessile drop, 75
Sewage disposal, 2,242
Shadow casting, 49,50,102
Shear compliance, 258
Shear thickening, 254
Shear thinning, 252-4
Silica sols, 14
Silver halide sols, 11,14, 50,69,176,
184-5,186-7,193,211,232
Slow coagulation, 228-33
Small-angle neutron scattering, 63
Smoiuchowski equation, 200-202,
229-30
Soaps, 163-4
Soil, 1-2,241-2
Sols, 4,5,10-14,17,18-20,210-43
Solubilisation, 17,85,89-90,166,
167,262,268
Solvation, 3, 8,23-4,52,167,210,
224-5,235,250,251,273-4
Sorption, 115
Sorption balances, 120-21
Spherical electric double layer, 181,
199,202-6,213-14
Spinnability, 256
Spreading:
of liquids on liquids, 93-6, 98
of liquids on solids, 151-5, 158-
60,165
Spreading coefficient, 95-6,151-2,
158
Spreading pressure, 152
Stability:
of emulsions, 263-6,268,269
of foams, 271-76
of lyophobic sols, 210-33
ratio, 230-33
of systems containing lyophilic
material, 169,234-40
Stationary levels, 191-2
Stepwise isotherms, 123,133-4
Steric stabilisation, 237-40
Stern layer, 90-91,181-8,211,215,
227,236
Stern potential, 181-8,199,213-14,
222,227
Stokes law, 22,200,249
Stopped-flow technique, 230
Streaming birefringence, 44-5
Streaming current, 197-8,207-8
Streaming potential, 190,197-8,
207-8
Stress relaxation, 257
Structural interactions, 224-5
Sugar refining, 2,169
Sulphur sols, 10-11,13-14,60
Supersatu*ation, 11-14,68
Surface:
activity, 76-80
areas of solids, 6,115,121,134-6,
172-3
balance, 97-100
charge, origin of, 174-6
charge density, 177,180,184,188,
212
conductance, 203-4,208-9
excess concentration, 81-4,175
film potential, 100,107,113
films of proteins, 110-14,265
free energy, 64-5, 67-8