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ALPHABETICAL INDEX

Symbol or
Abbreviation		  Term Section
   absorbate 1.1.4
   absorbent 1.1.4
   absorption 1.1.4
   absorptive 1.1.4
   activated adsorption 1.1.6
   additive (re coagulation concentration) 1.5
   adhesional wetting 1.2.2
   adhesion tension (use of this term is discouraged) 1.2.2
   adsorbate 1.1.4
   adsorbent 1.1.4
   adsorbent/fluid interface 1.1.5
   adsorption 1.1.4, 1.1.8
   adsorption capacity 1.1.10
   adsorption complex 1.1.4
   adsorption at the fluid/fluid interface 1.1.9
   adsorption at the solid/gas interface 1.1.11, 1.2.7
   adsorption at the solid adsorbent/liquid interface 1.1.10
   adsorption sites 1.1.6
   adsorption hysteresis 1.1.4
   adsorption isobar 1.1.11
   adsorption isostere 1.1.11
   adsorption isotherm 1.1.4, 1.1.11
   adsorption from liquid mixtures 1.1.4
   adsorption space 1.1.5, 1.1.11
   adsorptive 1.1.4
$ {\theta}_a$  advancing contact angle 1.2.2, 2.2
   aerosol 1.3
   aerosol of liquid particles 1.3
   aerosol of solid particles 1.3
   aggregation, aggregate 1.5
$ n_i^s$  amount of adsorbed substance (abbreviation: amount adsorbed) 1.1.11, 2.1
   amphipathic 1.6
   amphiphilic 1.6
   antagonistic (re coagulation concentration) 1.5
$ a_m$  area per molecule in complete monolayer 1.1.7, 2.1
$ a_i$,$ a_{i,s}$  area per molecule (in the surface) 1.1.9, 1.1.10, 2.1
$ A$,$ A_s$,$ S$  area of surface or interface 1.1.1, 2.1
   association colloids 1.3
   autophobicity 1.2.2
$ a$, $ a_s$  average area per molecule in surface 1.1.9, 2.1
   black film 1.7
   breaking (emulsions and foams) 1.5
   capillarity 1.2.1
   capillary condensation 1.1.7
   centrifugation 1.10
$ {\sigma}^0$, $ {\sigma}^s$  charge density (of surface) 1.11, 2.11
$ {\sigma}^i$  charge density of Stern plane 1.11, 2.11
   charge of micelle 1.6
$ {\mu}_i$  chemical potential of species $ i$ (in surface) 1.2.5, 2.2
   chemisorption = chemical adsorption 1.1.6
   coacervation, coacervate 1.5
   coagulation 1.5
   coagulation concentration 1.5
   coagulum 1.5
   coalescence 1.5
$ a_i^0$,$ a_{i,s}^0$  co-area per molecule (in the surface) 1.1.10, 2.1
   co-ion 1.3, 1.11
   colloid 1.3
$ {\Pi}_D$,$ {\Pi}$  colloid osmotic pressure 1.8, 2.8
   colloidal dispersion 1.3
   colloidal electrolyte 1.3
   colloidal stability 1.5
   colloidal suspension 1.3
   colloidal system 1.3
   common black film 1.7
   compaction 1.5
   complex coacervation 1.5
   composite isotherm (use of this term is discouraged) 1.1.10
   condensation methods 1.4
$ {\theta}$  contact angle 1.2.2, 2.2
$ {\theta}_a$  contact angle (advancing) 1.2.2, 2.2
$ {\theta}_e$  contact angle (equilibrium) 1.2.2, 2.2
   contact angle hysteresis 1.2.2
$ {\theta}_r$  contact angle (receding) 1.2.2, 2.2
   continuous phase 1.3
   counterion 1.3, 1.11
   cream, creaming 1.5, 1.10
$ V_{\text{cr}}$  cream volume 1.10, 2.10
ccc  critical coagulation concentration 1.5, 2.5
$ t_c$, $ h_c$  critical film thickness 1.7, 2.7
$ c_M$;cmc  critical micellization concentration (critical micelle concentration) 1.6, 2.6
   critical embryo 1.4
   curd (soap) 1.6
$ 1/{\kappa}$  Debye length 1.11, 2.11
   deflocculation 1.5
   degree of association 1.6
   desorption 1.1.4
   desorption by displacement 1.1.4
   detergent 1.6
   dialysate 1.4
   dialysis 1.4
   dialysis residue 1.4
$ C_{\text{dl}}$  differential capacitance (of electrical double-layer per unit area) 1.11, 2.11
$ {\Delta}_a U_i^{\sigma}$, $ {\Delta}_a U_i^s$  differential molar energy of adsorption 1.2.7, 2.2
$ {\Delta}_a H_i^{\sigma}$, $ -q^{\text{st,}{\sigma}}$; $ {\Delta}_a H_i^s$, $ -q^{\text{st,s}}$;  differential molar enthalpy of adsorption 1.2.7, 2.2
   differential surface work 1.2.1
   diffuse layer 1.11
   diffusion 1.10
$ D_i$  differential diffusion coefficient (of species $ i$) 1.10, 2.10
$ {\Pi}_d$  disjoining pressure 1.9, 2.9
   dispersed phase 1.3
   dispersion methods 1.4
$ E_D$  Donnan emf (Donnan potential) 1.11, 2.11
   Donnan equilibrium 1.11
$ {\Pi}_D$,$ {\Pi}$  Donnan pressure 1.8, 2.8
$ E_{\text{sed}}$,$ E$  Dorn effect 1.12, 2.12
$ {\gamma}^{\text{dyn}}$, $ {\sigma}^{\text{dyn}}$  dynamic surface (or interfacial) tension 1.2.1, 2.2
$ 1/{\kappa}$  effective thickness of the diffuse electrochemical double-layer 1.11, 2.11
$ {\psi}^{0}$,$ {\psi}^s$  electric potential at the surface 1.11, 2.11
$ {\psi}^{d}$  electric potential (at the inner boundary of the Gouy layer) 1.11, 2.11
   electrochemical double-layer 1.11
   electro-crystallization 1.12
   electrodecantation 1.4
   electrodeposition 1.12
   electrodialysis 1.4
$ {\zeta}$  electrokinetic potential (zeta potential) 1.12, 2.12
   electro-osmosis 1.12
$ {\Delta}p$  electro-osmotic pressure 1.12, 2.12
$ u_{\text{e.o.}}$,$ u$  electro-osmotic velocity (per unit field strength) 1.12, 2.12
$ J_v$  electro-osmotic volume flow 1.12, 2.12
   electrophoresis 1.4, 1.12
   electrophoresis convection 1.4
$ u_e$,$ u$  electrophoretic mobility 1.12, 2.12
$ v$  electrophoretic velocity 1.12, 2.12
   embryo 1.4
   emulsifier 1.6
O/W or W/O  emulsion 1.3
$ {\Delta}_aH_i$, $ -q^{\text{st}}$  enthalpy of adsorption (isosteric) of substance $ i$ 1.2.7, 2.2
$ {\Delta}_wH$, $ {\Delta}_{\text{imm}}H$, $ -Q_w$,$ -q_w$  enthalpy of wetting or immersion (and per unit mass of solid) 1.2.8, 2.2
$ {\theta}_e$  equilibrium contact angle 1.2.2, 2.2
   equilibrium dialysate 1.4
   equilibrium film 1.7
   equilibrium solution (in coacervation) 1.5
   equivalent film thickness 1.7
   excess amount of adsorbed molecules, etc. (see surface excess amount etc.)  
   excess surface (or interfacial) energy, etc. (see surface excess energy, interfacial energy, etc.)  
   external surface 1.1.5
$ {\theta}$  film contact angle 1.7, 2.7
   film element 1.7
$ \Sigma_f$  film tension 1.7, 2.7
$ t$, $ h$  film thickness 1.7, 2.7
$ {\sigma}_f^{{\alpha}{\beta}{\delta}}$, $ {\sigma}_f^{{\alpha}{\beta}}$, $ {\sigma}_f$  final spreading tension 1.2.2, 2.2
   fixed charge 1.11
   floc 1.5
   flocculation 1.5
   flotation 1.4
   fluid film 1.7
   foam 1.3
   foam fractionation 1.4
   foaming agent 1.6
   fog 1.3
   froth 1.3
   froth-flotation 1.3, 1.4
   gel 1.3
$ n_i^{\sigma}$  Gibbs adsorption (of component $ i$) 1.1.8, 1.1.11, 2.1
   Gibbs dividing surface 1.1.8, 1.2.4
$ G_a$  Gibbs energy of attraction 1.9, 2.9
$ g_a$  Gibbs energy of attraction per unit area of two parallel plates 1.9, 2.9
$ G_r$  Gibbs energy of repulsion 1.9, 2.9
$ G_{\text{el}}$  Gibbs energy of repulsion due to electric effects 1.9, 2.9
$ g_r$, $ g_{\text{el}}$  Gibbs energy of repulsion per unit area of two parallel plates 1.9, 2.9
$ E$  Gibbs film elasticity 1.7, 2.7
   Gibbs surface 1.1.8, 1.1.11, 1.2.4
$ {\Gamma}_i^{\sigma}$  Gibbs surface concentration 1.1.8, 1.1.11, 2.1
$ {\Gamma}_i^{(v)}$  Gibbs surface concentration (solid/liquid interface) 1.1.10, 2.1
$ {\Gamma}_i^{(n)}$  Gibbs surface concentration (solid/liquid interface) 1.1.10, 2.1

 Gouy layer 1.11
$ A_H$  Hamaker constant 1.9, 2.9
   helium dead-space 1.1.11
   heterodisperse 1.3
   heterogeneous nucleation 1.4
   homogeneous nucleation 1.4
   hydrophilic 1.3
   hydrophobic 1.3
   imbibition (of liquid by gel or porous substance) 1.8
   immersional wetting 1.2.2
   individual isotherm 1.1.10
$ {\sigma}_i^{{\alpha}{\beta}{\delta}}$, $ {\sigma}_i^{{\alpha}{\beta}}$, $ {\sigma}_i$  initial spreading tension 1.2.2, 2.2
$ K_$dl  integral capacitance (of the electrical double-layer per unit area of interface) 1.11, 2.11
   interface 1.1.1
$ U^s$ $ (u^s)$  interfacial energy (and per unit area) 1.2.4, 2.2
$ \mathscr{H}^s$, $ \hat{H}^s$, $ H^s$  interfacial enthalpy 1.2.4, 2.2
(-, $ \hat{h}^s$, $ h^s$)  (and per unit area)  
$ S^s$ ($ s^s$)  interfacial entropy (and per unit area) 1.2.4, 2.2
$ \mathscr{G}^s$, $ \hat{G}^s$, $ G^s$  interfacial Gibbs energy 1.2.4, 2.2
(-, $ \hat{g}^s$, $ g^s$)  (and per unit area)  
$ A^s$ ($ a^s$)  interfacial Helmholtz energy (and per unit area) 1.2.4, 2.2
indicated by     
superscript $ s$  interfacial layer 1.1.1, 1.1.3, 1.2.4, 2.1, 2.2
$ {\gamma }$, $ {\sigma }$, $ {\gamma}^{{\alpha}{\beta}}$, $ {\sigma}^{{\alpha}{\beta}}$  interfacial tension (between phases $ {\alpha}$ and $ {\beta}$) 1.2.1, 2.2
   intermediate pore (use of this term is discouraged) 1.1.5
   internal surface 1.1.5
   ion exchange 1.1.4
   irridescent layer 1.5
   isoelectric 1.11
iep  isoelectric point 1.11, 2.11
   isoionic 1.11
$ {\Delta}_a H_i^{\sigma}, -q^{\text{st,}{\sigma}}$; $ {\Delta}_a H_i^{s}, -q^{\text{st,s}}$  isosteric enthalpy of adsorption of substance $ i$ (formerly isosteric heat of adsorption) 1.2.7, 2.2
$ t_K$, $ T_K$  Krafft point 1.6, 2.6
   latex 1.3
$ [D_i]$  limiting differential diffusion coefficient (of species $ i$) 1.10, 2.10
$ [s]$  limiting sedimentation coefficient 1.10, 2.10
W/O/W  lipid film 1.7
   lipophilic 1.3
   lipophobic 1.3
   lyophilic 1.3
   lyophobic 1.3
   macromolecules 1.3
   macropores 1.1.5
$ \bar{M}_{\text{r,m}}$  mass average relative molecular mass (molecular weight) 1.3, 2.3
$ E_m$  membrane emf (membrane potential) 1.11, 2.11
   mesomorphic phase 1.6
   mesopore 1.1.5
   metastability 1.5
   micellar solubilization 1.6
   micellar mass 1.6
   micellar weight 1.6
   micelle 1.6
   microelectrophoresis 1.12
   micropore 1.1.5
   micropore filling 1.1.7
   micropore volume 1.1.7
   microscopic electrophoresis 1.12
   middle soap 1.6
   mobile film 1.7
$ {\Delta}_a U_m^{\sigma}$  molar integral energy of adsorption 1.2.7, 2.2
$ {\Delta}_a H_m^{\sigma}$  molar integral enthalpy of adsorption 1.2.7, 2.2
   molecular sieve effect 1.1.5
$ M_r$  molecular weight: see relative molecular mass  
   monodisperse 1.3
   monolayer adsorption 1.1.7
$ n_m^s$, $ V_m$  monolayer capacity 1.1.7, 1.1.11, 2.1
   monolayer equivalent area 1.1.11
   multilayer adsorption 1.1.7
   myelin cylinder 1.6
   neat soap 1.6
   negative adsorption 1.1.4
   negative tactoid 1.5
   nematic state 1.6
   Newton black film 1.7
   nucleating agent 1.4
   nucleus 1.4
$ \bar{M}_{r,n}$  number average relative molecular mass (molecular weight) 1.3, 2.3
   oleophilic 1.3
   orthokinetic aggregation 1.5
$ E_s$  Pallmann effect 1.11, 2.11
   partial isotherm 1.1.10
   paucidisperse 1.3
   peptization 1.5
   perikinetic aggregation 1.5
   physisorption = physical adsorption 1.1.6
   Plateau border 1.7
pzc  point of zero charge 1.11, 2.11
   polyacid 1.3
   polyampholyte 1.3
   polyanion 1.3
   polybase 1.3
   polycation 1.3
   polydisperse 1.3
   polyelectrolyte 1.3
   polyion 1.3
   polysalt 1.3
   positive adsorption 1.1.4
   potential determining ion 1.11
   primary minimum 1.9
   protected lyophobic colloid 1.3, 1.5
   protective action (re coagulation and flocculation) 1.5
   rate of nucleation 1.4
$ v_{\text{sed}}$, $ v$  rate of sedimentation 1.10, 2.10
$ {\theta}_r$  receding contact angle 1.2.2, 2.2
$ {\Gamma}_i^{(n)}$  reduced adsorption (of component $ i$) 1.1.9, 1.1.10, 2.1
$ U^{{\sigma}(n)}$  reduced (excess) surface energy 1.2.4, 2.2
$ S^{{\sigma}(n)}$  reduced (excess) surface entropy 1.2.4, 2.2
$ A^{{\sigma}(n)}$  reduced (excess) surface Helmholtz energy 1.2.4, 2.2
$ H^{{\sigma}(n)}$  reduced (excess) surface enthalpy 1.2.4, 2.2
$ G^{{\sigma}(n)}$  reduced (excess) surface Gibbs energy 1.2.4, 2.2
$ \left[s^0(20\degreecelsius)\right]$  reduced limiting sedimentation coefficient 1.10, 2.10
   reduced osmotic pressure 1.8
$ s^0(20\degreecelsius)$  reduced sedimentation coefficient 1.10, 2.10
   reference system 1.1.8
$ {\Gamma}_i^{(1)}$, $ {\Gamma}_{i,1}$  relative adsorption (of component $ i$ with respect to component 1) 1.1.9, 1.1.10, 2.1
$ U^{{\sigma}(1)}$  relative (excess) surface energy (with respect to component 1) 1.2.4, 2.2
$ S^{{\sigma}(1)}$  relative (excess) surface entropy 1.2.4, 2.2
$ A^{{\sigma}(1)}$  relative (excess) surface Helmholtz energy 1.2.4, 2.2
$ H^{{\sigma}(1)}$  relative (excess) surface enthalpy 1.2.4, 2.2
$ G^{{\sigma}(1)}$  relative (excess) surface Gibbs energy 1.2.4, 2.2
$ M_{r}$  relative micellar mass 1.6, 2.6
$ M_r$  relative molecular mass of a micelle 1.6
   relative molecular mass :  
$ \bar{M}_{r,n}$          number average 1.3, 2.3
$ \bar{M}_{r,m}$          mass average 1.3, 2.3
$ \bar{M}_{r,Z}$          Z-average 1.3, 2.3
   residue 1.4
$ {\beta}$, $ B$  retarded van der Waals constant 1.9, 2.9
   retentate 1.4
   rigid film 1.7
$ D_{\theta}$  rotational diffusion coefficient 1.10, 2.10
   roughness factor 1.1.5
   rupture (of a fluid film) 1.7
   schiller layer 1.5
   Schulze-Hardy rule 1.5
   secondary minimum 1.9
   sediment 1.5
   sedimentation 1.5, 1.10
$ s$  sedimentation coefficient 1.10, 2.10
   sedimentation equilibrium 1.10
$ \bm{E}_$sed  sedimentation field strength 1.12, 2.12
$ E_{\text{sed}}$, $ E$  sedimentation potential difference (sedimentation potential) 1.12, 2.12
$ v_{\text{sed}}$, $ v$  sedimentation velocity 1.10, 2.10
$ V_{\text{sed}}$  sedimentation volume 1.10, 2.10
$ D_i^*$  self-diffusion coefficient (of species $ i$) 1.10, 2.10
   sensitization (re coagulation and flocculation) 1.5
   shear plane (slipping plane) 1.12
   silver film 1.7
   sintering 1.5
   smectic state 1.6
   smoke 1.3
   soap 1.6
   soap curd 1.6
   soap film 1.7
   sol 1.3
   solubilization, solubilizate 1.6
   sorbate 1.1.4
   sorbent 1.1.4
   sorption 1.1.4
   sorptive 1.1.4
$ a$, $ s$, $ a_s$  specific surface area 1.1.1, 1.1.11, 2.1
   spread layer 1.1.4
   spread monolayer 1.1.4, 1.1.9
$ {\sigma}^{{\alpha}{\beta}{\delta}}$, $ {\sigma}^{{\alpha}{\beta}}$  spreading tension 1.2.2, 2.2
   spreading wetting 1.2.2
   stability of colloidal systems 1.5
   stable film 1.7
$ {\Delta}_a S_i^{\ominus}$  standard differential molar entropy of adsorption 1.2.7, 2.2
$ {\Delta}_a H_i^{\ominus}$  standard differential molar enthalpy of adsorption 1.2.7, 2.2
$ {\Delta}_a {\mu}_i^{\ominus}$  standard Gibbs energy of adsorption 1.2.7, 2.2
$ {\Delta}_a S_m^{\ominus}$  standard integral molar entropy of adsorption 1.2.7, 2.2
$ s^0(20\degreecelsius)$  standard sedimentation coefficient 1.10, 2.10
$ {\gamma}^{\text{st}}$, $ {\sigma}^{\text{st}}$  surface (or interfacial) tension 1.2.1, 2.2
   Stern layer 1.11
   stratified film 1.7
$ I$  streaming current 1.12, 2.12
$ E_{\text{st}}$, $ E$  streaming potential difference (streaming potential) 1.12, 2.12
   subsidence 1.5
   surface 1.1.1, 1.1.2
$ A$, $ A_s$, $ S$  surface (area of) 1.1.1, 2.1
      
indicated by  surface (excess quantities in the) 1.1.8, 2.1
superscript $ {\sigma }$     
   surface active agent = surfactant 1.6
   surface charge 1.11
$ {\sigma}^0$, $ {\sigma}^s$  surface charge density 1.11, 2.11
$ {\sigma}^{d}$  surface charge density in the Gouy layer 1.11, 2.11
$ {\sigma}^{i}$  surface charge density in the Stern layer 1.11, 2.11
$ {\mu}_i^{\sigma}$, $ {\mu}_i^s$  surface chemical potential 1.2.5, 2.2
$ {\Gamma}_i^s$  surface concentration 1.1.9, 2.1
$ {\Gamma}_i^{\sigma}$  surface concentration (Gibbs) 1.1.8, 1.1.11, 2.1
$ {\kappa}^{\sigma}$  surface conductivity 1.12, 2.12
$ {\theta}$  surface coverage 1.1.7, 2.1
   surface energy etc., see interfacial energy  
   surface enthalpy etc., see interfacial enthalpy etc.  
   surface entropy etc., see interfacia1 entropy etc.  
$ n_i^{\sigma}$  surface excess amount (of component $ i$) 1.1.8, 1.1.11, 2.1
$ {\Gamma}_i^{\sigma}$  surface excess concentration 1.1.8, 1.1.10, 1.1.11, 2.1
$ {\kappa}^{\sigma}$  surface (excess) conductivity 1.12, 2.12
$ U^{\sigma}$, $ (u^{\sigma})$  surface excess energy (and per unit area) 1.2.4, 2.2
$ H^{\sigma}$, $ (h^{\sigma})$  surface excess enthalpy (and per unit area) 1.2.4, 2.2
$ S^{\sigma}$, $ (s^{\sigma})$  surface excess entropy (and per unit area) 1.2.4, 1.2.6, 2.2
$ G^{\sigma}$, $ (g^{\sigma})$  surface excess Gibbs energy (and per unit area) 1.2.4, 1.2.6, 2.2
$ A^{\sigma}$, $ (a^{\sigma})$  surface excess Helmholtz energy (and per unit area) 1.2.4, 1.2.6, 2.2
   surface excess isotherm 1.1.10
$ m_i^{\sigma}$  surface excess mass (of component $ i$) 1.1.8, 1.1.11, 2.1
$ N_i^{\sigma}$  surface excess number of molecules 1.1.8, 1.1.11, 2.1
$ V_i^{\sigma}$  surface excess volume of gas 1.1.11, 2.1
$ {\varphi}^{\sigma}$  surface (excess) fluidity 1.2.3, 2.2
$ {\eta}^s$  surface (excess) shear viscosity 1.2.3, 2.2
indicated by  surface layer 1.1.1, 1.1.3, 2.1
superscript $ s$     
   surface layer of the adsorbent 1.1.5, 1.1.11
$ {\pi}^s$, $ {\pi}$  surface pressure 1.2.2, 2.2
   surface rheology 1.2.3
$ {\gamma }$, $ {\sigma }$, $ {\gamma}^{{\alpha}{\beta}}$, $ {\sigma}^{{\alpha}{\beta}}$  surface tension (between phases ($ {\alpha}$ and $ {\beta}$) 1.2.1, 1.2.6, 2.2
$ {\gamma}^{\alpha}$, $ {\sigma}^{\alpha}$  surface tension (of $ {\alpha}$ in contact with a dilute gas phase) 1.2.1, 2.2
$ {\gamma}_f$, $ {\sigma}_f$  surface tension of film 1.7, 2.7
   surface of tension 1.2.1
   surface work 1.2.1
   surfactant 1.6
   suspension 1.3
$ E_s$  suspension effect 1.11, 2.11
$ S$  Svedberg unit 1.10, 2.10
   swelling (of gel or solid) 1.8
$ {\Pi}_{\text{sw}}$, $ {\Pi}$  swelling pressure 1.8, 2.8
A/W/A, W/O/W  symmetrical film 1.7
   syndet 1.6
   syneresis 1.8
   synergistic (re coagulation concentration) 1.5
   tactoid 1.5
   thermodynamic stability 1.5
$ {\tau}$  thickness of surface (or interfacial) layer 1.1.3, 1.2.4, 2.1
$ 1/{\kappa}$  thickness of the double-layer 1.11, 2.11
$ n^s$  total amount of adsorbed substance 2.1
$ G_t$  total Gibbs energy of interaction 1.9, 2.9
$ g_t$  total Gibbs energy of interaction per unit area of two parallel plates 1.9, 2.9
$ {\Gamma}^{\sigma}$  total Gibbs surface concentration 1.1.8, 2.1
$ n^{\sigma}$  total surface excess amount (of adsorbed substance) 1.1.8, 1.1.11, 2.1
$ {\Gamma}^{\sigma}$  total surface excess concentration 1.1.8, 2.1
$ D_{i^*}$  tracer diffusion coefficient (of labelled species $ i^*$) 1.10, 2.10
   transitional pores (use of this term is discouraged) 1.1.5
   ultrafiltration, ultrafiltrate 1.4
   unstable films 1.7
W/O/A  unsymmetrical film 1.7
   van der Waals adsorption (use of this term is discouraged) 1.1.6
$ {\lambda}$  van der Waals attraction constant 1.9
$ A_H$  van der Waals-Hamaker constant 1.9, 2.9
$ {\lambda}$  van der Waals-London constant 1.9, 2.9
$ v_{\text{sed}}$, $ v$  velocity of sedimentation 1.10, 2.10
$ V^s$  volume of interfacial layer 1.1.3, 1.1.11, 1.2.4, 2.1, 2.2
   wetting 1.2.2
$ w_w^{{\alpha}{\beta}{\delta}}$, $ w_w^{{\alpha}{\beta}}$, $ w_w$  wetting tension 1.2.2, 2.2
$ E_s$  Wiegner effect 1.11,