- Molar mass, density, dielectric permiottivity, refractive index
- Surface Tension Comoonents
- Solubility Parameter Components
- Heats of Immersion in Several Liquids
- Isoelectric pH ofor Metal Oxides and Hydroxides
- Isoelectric pX for Salts
TABLE 5-1: MOLAR MASS, DENSITY, DIELECTRIC PERMITTIVITY, REFRACTIVE INDEX
Material M   ave nRI,ave
g/mol g/m3
SALTS
AlPO4 121.95 2566 6.05 1.560
MgSO4 120.37 2660 8.2 1.56
CaCO3(aragonite) 100.09 2930 8.3 1.630
BaSO4 233.40 4500 11.4 1.641
AgCl 143.32 5560 12.3 2.071
PbSO4 303.25 6200 14.3 1.861
OXIDES AND HYDROXIDES
SiO2( -quartz) 60.08 2650 4.53 1.547
ZnO 81.37 5606 8.3 2.015
Al2O3() 101.96 3970 10.4 1.765
ZrO2 123.22 5600 12.5
FeO 71.85 5700 14.2 2.32
TiO2 (rutile) 79.90 4260 varies 2.712
PbO (manicot) 233.19 8000 25.9 2.61
OTHER INORGANICS
S (sublimed) 32.06 2070 3.69 1.957
I2 253.81 4930 4 3.34
C (diamond) 12.01 3510 5.5 2.417
ZnS 97.43 3980 8.2 2.363
SiC 40.10 3217 10.2 2.670
CdS 144.46 4820 11.6 2.43
GaAs 144.64 ... 13.5 3.4
Material M ave nRI,ave
g/mol g/m3
ORGANICS
naphthalene 128.19 1025 2.85 1.400
succinic acid 118.09 1572 2.40 1.450
sucrose 342.30 1581 3.32 1.538
urea 60.06 1323 3.5 1.523
POLYMERS
polytetrafluoroethylene -CF2CF2-
100.02 2200 2.1 1.35
polyethylene (high density) -CH2CH2-
28.05 950 2.25 1.54
polystyrene -CH2[(CH)C6H5]-
104.16 1060 2.54 1.59
styrene/acrylonitrile copolymer
--- 1080 2.96 1.56
polycarbonate -C6H4[C(CH3)2]C6H4O(CO)O-
254.28 1200 2.96 1.60
polydimethylsiloxane -O[Si(CH3)2]-
74.15 3.10
polymethylmethacrylate -CH2[(CCH3)(CO)OCH3]-
100.13 1190 3.2 1.49
nylon 66 -NH(CH2)6NH(CO)(CH2)4(CO)-
262.35 1140 3.88 1.53
Dielectric permittivity and refractive index values are averages
for the crystallographic axes. For extensive lists of physical
property values, see the "CRC Handbook of Chemistry and Physics"
TABLE 5-2: SURFACE TENSION COMPONENTS at 298K
Material  disp polar net Ref.
mJ/m2 mJ/m2 mJ/m2
METALS AND CARBON
copper (net at 1323K) 60  1500 e, a
gold (net at 1573K) 1450 a
silver (net at 1173K) 74 1140 e, a
tin (net at 423K) 101 704 e, a
graphite 120 e
POLYMERS
acrylonitrile/styrene copolymer
33 8 41 b
nylon 6 35.4 5.8 41.2 b
polycarbonate 27.7 6.5 34.2 b
polyethylene 25 0 25 b
polyethyleneglycol 28 10 38 b
polymethylmethacrylate 27 13 40 b
polypropylene 27.7 0 27.7 b
polystyrene 41 1 42 b
polytetrafluoroethylene 18.9 0 18.9 b
polyvinylchloride 39.1 1.5 40.6 b
SALTS AND OXIDES
BaSO4 76 c
SiO2 78 c
SnO2 111 c
TiO2 (anatase) 92 c
Fe2O3 107 c
PIGMENTS
 -copper phthalocyanine 23 7 30 d
azo yellow pigment 31 8 39 d
azo yellow pigment 31 8 39 d
vat orange pigment 28 16 44 d
azo red pigment 31 17 48 d
a -- Osipow page 283
b -- Chattoraj and Birdi pages 248 and 251
c -- Fowkes 1964
d -- Schmitz, Sell, and Hamann
e -- Fowkes 1966 pages 325-450
For additional compounds, see Woods
Values reprinted with permission from the copyright holders.
TABLE 5-3: SOLUBILITY PARAMETER COMPONENTS
Material  disp polar Hbond net Ref.
MPa1/2 MPa1/2 MPa1/2 MPa1/2
PIGMENTS
TiO2 24.1 14.9 19.4 34.4 c
-copper phthalocyanine 19.0 6.3 7.6 21.5 c
carbon black 21.1 12.3 13.5 26.8 c
POLYMERS
polytetrafluoroethylene 12.7 b
polydimethylsiloxane 14.9 b
polypropyleneoxide 14.4 5.1 2.0 15.4 a
polyisobutylene 15.7 0 0 15.7 a
polyethylene 16.6 0 0 16.6 a
polymethylmethacrylate 15.7 8.2 6.8 18.9 a
polyvinylacetate 19.2 b
polyvinylchloride 16.7 7.2 7.2 19.5 a
polystyrene 18.3 1.0 3.3 20.4 a
nylon 66 27.8 b
polyacrylonitrile 31.5 b
a -- Hansen
b -- Fowkes 1967
c -- Barton lists more pigments on page 449 and more polymers on page 296
Values reprinted with permission from the copyright holders
TABLE 5-4: HEATS OF IMMERSION
Material  Himm/A Ref.
mJ/m2
Immersion Liquids => water 1- butanol toluene EthGly MIBK
-copper phthalocyanine
-50 -75 -95 -110 a
polytetrafluoroethylene
-35 -5 -20 -38 a
BaSO4 -490 -360 (-140 benzene) b
Al2O3 -360 -150 a
Cr2O3 green -400 -215 -205 -170 a
Fe2O3 red -280 -185 -140 -165 -100 a
SiO2 (quartz) -610 -320 -270 -165 a
TiO2 (rutile) -835 -335 -160 a
EthGly = 1,2-ethanediol (ethylene glycol)
MIBK = 4-methyl\-pentan-2-one (methyl isobutyl ketone)
a -- Schroeder and Honigmann list more pigments and solvents
b -- Osipow page 38
Values reprinted with permission from the copyright holders.
TABLE 5-5: ISOELECTRIC pH FOR METAL OXIDES AND HYDROXIDES
Material Isoelectric pH Ref.
-MnO2 1.5 a
SiO2 (quartz) 2.2 b
SnO2 (cassiterite) 4.5 a
Al(OH)3 (gibbsite) 5.0 b
Ca5(PO4)3(F,OH) (fluorapatite) 6 a
TiO2 (rutile) 6.0 a
FeOOH (goethite) 6.7 b
Ca5(PO4)3OH (hydroxyapatite) 7 a
Cr2O3 (chrome green) 7.0 b
-MnO2 7.3 a
FeOOH (lepidocrocite) 7.4 c
AlOOH (boehmite) 7.6 c
Fe2O3 (hematite) 8.6 a
-Al2O3 9.0 a
Al(OH)3 (bayerite) 9.2 c
ZnO 9 b
CaCO3 9.5 a
PbO (litharge) 10.3 b
MgO 12 a
a -- Hunter 1981 pages 228, 229, 279ff
b -- Patton page 292
c -- Parks
Values reprinted with permission from the copyright holders.
TABLE 5-6: ISOELECTRIC pH FOR SALTS
Material (potential- pX at the PZC
determining Ion, X)
AgCl (Ag+) 4
AgI (Ag+) 5.6
Ag2S (Ag+) 10.2
BaSO4 (Ba++) 6.7
CaF2 (Ca++) 3
from Hunter 1981 page 228
Values reprinted with permission from the copyright holder.
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