INDEX. 



303 



Bulphite, carbonate, hyposul- 

 phite phosphate, nitrate 21 



Sodium, elimination of from sili- 

 cates, 76— elimination with milk 

 of lime, 157 — with oxalic acid, 

 15S — estimation of as chloride, 

 or as sulphate, 52— by indirect 

 processes, 53— in Chili saltpetre, 239 



Sodium, reactions, 51 — separation 

 from potassium by indirect meth- 

 od, as chloride or as sulphate, 53 

 —by platinic chloride 52 



Sodium, sulphate of converted into 

 chloride 53 



Soil, absolute weight of, 198— ab- 

 sorptive power of for salts, 188 — 

 adhesive power of 200 



Soil analysis, experiments to be 

 combined with, 200 — general 

 considerations in regard to, 1G5 

 —preparation of sample for 16G 



Soil analysis, chemical part^ prepa- 

 ration of soluti(ms for, 174 — 

 with carbonated water, 177 — 

 with cold hydrochloric acid, 174 

 — with hot hydrochloric acid, 

 179— with hj'drofluoric acid, 181 

 — with phosphoric acid, 182— 

 with sulphuric acid 180 



Soil analysis, mechanical part, IGS— 

 silt process by Dietrich's meth- 

 od, 172— by Nobel's method, 1G9 



Soil analysis, physical part, in rela- 

 tion to heat-absorbing power, 

 197— to heat-conducting powcn-, 

 197— to heat-retaining power, 198 

 — consistency, 199— power of ab- 

 sorbing water-vapor, 192 — of 

 retaining liquid water, 193 — of 

 retaining water-vapor, 192— rate 

 of evaporation of water from, 

 194 — readiness with which 

 water moves downward in, 197 

 — readiness with which water 

 moves upward, 196 — readiness 

 with which water percolates 

 through,196— volume when com- 

 pletely saturated with water, 199 

 —porosity, 199— specific gravity, 

 apparent and real, 198— tenacity, 199 



Soil analysis, statement of results 

 illustrated 188 



Soil, estimation of ammonia in, 188 

 —of carbonic acid, 173— chlo- 

 rine, 18G— ferrous oxide, 187 — 

 hydrated alumina and ferric ox- 

 jdc, ISG— humus, 183— nitrogen, 

 total in, 173 — nitric acid, 185 — 

 organic matter, 183 — sand, by 

 phosphoric acid, 182 — sulphur, 

 186— water 173 



Solution 25 



Solutions, division and measure- 

 ment of 40 



Solutions standard, preparations of, 

 48, 55, 67, 70, 86, 95, 100, 113, 122, 

 151,206 274 



Solutions, estimation of solid mat- 

 ter in by simple evaporation on 

 water-bath, 148 — after mixture 

 with gypsum, 149— by evapora- 

 tion in vaccuo on hot sand, 148 

 — to save ammonia that may be 

 given off 148 



Specific gravity of liquids, with the 

 areometer, 23— with the piknome- 

 ter or specific-gravity bottle, 23 — 

 - of soil apparent and real, 198— 

 of solids by specific gravity of 

 liquid of the same density, 25 — 

 if soluble in water, 25— by vol- 

 ume of water displaced, 24— by 

 iveight of water displaced in 

 piknometer, 24— of urine, 217— 

 of wine, 278— of wool 270 



Starch, 109- estimation by conver- 

 sion into sugar by malt, 109— by 

 sulphuric acid, 110 — Dragen- 

 doi-fi's process,lll— in beets, 260 

 —in fodder, 257— in potatoes, 

 262- in seeds, 262— reactions of,109 



Starch paper 21 



Sugar (see also saccharose, glucose, 

 etc.) estimation in beets, 258 — 

 in fodder, aqueous extract, 255 

 —milk. 266, 267- in wine .279 



Sulphur, estimation in organic com- 

 bination, 152— in manure of the 

 farm-yard, 214— in plant, total, 

 245— in soil, 286— in urine, 223— 

 reactions 98 



Sulphuric acid as reagent, 9 — elimi- 

 nation of, 157— estimation, 78 — 

 in gypsum, 237— in manure of 



