242 



INDEX 



Salicin, hydrolysis of, 24, 42 

 Salicylic acid, in milk, 186, 



195 

 Saligenin, 24, 43 

 Salt, in butter, estimation of, 



190, 198 

 Salts, absorption of, by soil, 47, 



68 ; 48, 69 

 Sand, in soil, 38, 60 



in feeding stuffs, 141, 148 

 Saponification number, of 



butter, 193, 203 

 Schiffs' reagent, 186, 195 

 Schlossing's method (for ni- 

 trates), 94, 112 

 Schrotter's apparatus, 36, 58 

 Schweitzer's reagent, 15, 27 

 Sewage sludge, 134, 142 

 Shoddy, analysis of, 106, 123 



examination of, 105, 121 

 Silk, tests for, 105, 122 

 Soap, soft, analysis of, 224, 234 

 Soap solution, 222, 230 

 Sodium, in ash, detection of, 6, 



10 

 Soil, absorption of heat by, 60, 

 81 

 absorption of water by, 75 

 capillary attraction in, 59, 79 

 carbonates in, estimation of, 



36, 57 ; 75, 94 ; 76, 96 

 chemical analysis of, 70-88, 



91-104 

 chemical properties of, 64 

 colour of, 50, 73 

 humus in, 37, 59 

 hygroscopic moisture in, 55, 



75 

 mechanical analysis of, 65, 

 85 ; 67, 89 



Soil, percolation of water 

 through, 57, TJ 

 physical properties of, 72 

 plant nutrients in, 40, 62 

 removal of lime from, 49, 71 

 retention of substances by, 67 

 retention of water by, 56, 76 

 sampling for analysis, 63, 



83; 64, 84; 69, 91 

 specific gravity of, 51, 52, 74 



Soil thermometry, 81 



Soils, classification of, 39, 62 ; 



50,73 

 constituents of, 57 

 Soxhlet's apparatus, 12, 2 1 

 Specific gravity bottle, 176, 178 

 Spices, 173, 173 

 Starch, 34 



cereal, 155, 160 ; 161, 165 

 conversion into sugar, 34, 55 

 estimation of, 146, 153 

 percentage of, in plants, 35 

 preparation and examination 

 of, 20, 35 

 Steamed bone flour, llo, 127 

 Strychnine, tests for, 23, 42 

 Sugar beet, analysis of, 164-168, 



167-169 

 Sugars, examination of, 16, 28 

 estimation of, 17, 31 ; 145, 152 

 in milk, 175, 177 

 specific rotations of, 17, 31 ; 



18,33 



Sulphate of ammonia, analysis 

 of, 90, 106 

 of potash, 128, 139 



Sulphates, in ash, detection of, 

 6, 10 



Sulphur, in plants, detection of, 

 3,5 



Sulphuric acid, in soil, estima- 

 tion of, 85, 102 



