Introduction to Soil Chemistry

Silica, 7, 24–26, 29, 37, 186–188
Silica gel, 141, 186
Silicon, 24–26, 28, 31, 32, 34–37, 42, 59, 78
Silicon tetrahedra, 26, 28
Silt, 1, 8, 11, 12, 16, 23–25, 31, 32, 35, 40, 57,
200
Silver, 96, 113, 123, 124, 187
Single grained, 15
Skin, 12, 46
Slicken sides, 12
Slits, 154
Smectite, 26, 28, 30, 42
Sodic soils, 107
Sodium, 10, 11, 30, 32, 63, 66, 79, 106,
107, 113, 114, 118, 119, 142, 152, 163,
198
Sodium chloride, 32, 106, 163
Sodium hydroxide, 114, 119, 132, 133
Soil air, 23, 71, 72, 76, 89, 182, 183, 197
Soil classification, 10
Soil clays, 26, 33, 150, 164
Soil color, 15–17, 20
Soil forming factors, 1, 3, 7, 21
Soil matrix, 16, 46, 127, 128, 130, 142, 148
Soil orders, 17, 18
Soil profile, 7, 11, 12, 17, 19–21, 31, 46, 48, 73,
78, 96, 107
Soil taxonomy, 17, 18
Soil texture, 14
Soil thin layer, 187
Soil water, 64, 71–74, 76, 77, 86–89, 94, 107,
108
Soil water content, 73, 74, 76, 86, 89, 94, 107,
108
Solid phase extraction, 128, 138–140, 175
Solid phase microextraction, 128, 138, 141
Solubilization, 57
Solvation, 33
Solvents, 85, 130–133, 135, 138, 142, 150, 156,
165, 166, 168, 175, 203
Sonication, 136
Sorption cleanup methods, 140
South America, 19
Soxhlet, 134–136
Soxhlet extraction, 135
Sparging, 128
Speciation, 7, 168, 195, 197, 198, 204, 206
Species changes, 206, 207
Spectral overlap, 148
Spectrometer, 128, 152, 155, 156, 159, 163, 169,
170, 181, 184, 185
Spectrophotometer, 158–160, 166, 170
Spectrophotometric, 139, 142, 159, 191
Spectroscopic, 32, 58, 142, 148, 153, 154, 169,
170, 175, 190
index 217
Spectroscopy
atomic, 152
infrared, 163
mass, 169
NMR, 167
UV-Vis, 156
Vis, 158
X-ray fluorescence, 150
Spodic horizon, 49, 78
Spodosols, 13, 19, 20, 49
Stationary phase, 141, 175, 176, 178, 180, 185,
186, 188
Steam distillation, 119, 121, 122
Steric hindrances, 37, 39
Stripping voltammetry, 105
Subangular blocky, 11
Subordinate horizon, 10
Sugars, 56, 61, 124, 187, 205
Sulfides, 14, 20
Sulfur, 14, 52, 55, 66, 77
Sulfur cycle, 55
Sulfuric acid, 66, 113, 118, 121, 187
Supercritical fluid extraction, 134, 137
Surface areas, 24–26, 28, 35, 96, 151, 206
Surface phenomenon, 151
Surface tension, 74
Surfactant, 129
Suspended particle removal, 140
Syringe, 128, 140, 177, 182–184, 186, 188
Syringe plunger, 177
Teflon, 177
Tensiometers, 86, 88
Termites, 46
Terpenes, 156
Tertiary excitation, 152
Tetrachloroethylene, 164
Tetramethylsilane (TMS), 168, 169
Textural name, 31
Textural triangle, 31
Texture, 2, 4, 9, 11, 14, 20, 31, 64, 71
Thalidomide, 197
Thermal conductivity, 181
Thermocouple psychrometer, 86, 89
Thermodynamic, 39
Thermophilic, 52
Thin layer chromatography (TLC), 175, 186,
187, 190
Thomson thermocouple, 107
Time domain reflectrometry, 86, 89
Time of flight (TOF), 169
Titanium, 78
Titrant, 111–114, 123, 124
Titration, 65, 111–114, 116–119, 122, 124, 125,
205, 206