238 



INDEX 



Feeding stuffs, estimation of 

 crude fibre in, 144, 151 

 of digestibility of, 174 

 of ether extract in, 142, 149 

 of moisture in, 140, 148 

 of proteins in, 143, 1 50 



Fehling's solution, 16, 28 



Felspar, potash, 126, 137 



Fibre, crude, in cotton cakes, 

 151, 158 



Fish guano, examination of, 

 134, 142 



Flocculation, of clay, 81 



Formaldehyde, in milk, detec- 

 tion of, 186, 195 



Froehde's reagent (for alkaloids), 

 23,41 



Fructose, tests for, 16, 28 



Furfural, estimation of, 147, 

 154 



H 



Halphen's test (for cotton oil), 



14, 25 

 Hardness in water, 229 

 in water, estimation of, 222, 

 230 



means of softening, 223, 

 233 



table of, 222, 232 

 Heat, absorption of, by soil, 60, 



81 

 Hippuric acid, 104, 120 

 Hop resins, estimation of, 32, 53 

 Hiibl's method (for iodine 



values), 13, 22 

 Humus, 37, 59 



preparation of, 37, 60 

 Hydrocyanic acid, tests for, 25, 



44; 149, 156 

 Hydrogen peroxide, in milk, 



186, 195 



Gerber's method, 182, 185 

 Gliadin, estimation of, 156, 161 

 Glucosazone, 16, 29 

 Glucose, tests for, 16, 28 

 Glucosides, 42 



cyanogenetic, 42; 148, 155; 

 154, 159 

 Gluten, rice, 161, 165 



wheat, estimation of, 156, 

 160 

 preparation of, 8, 14 

 Griess — Ilosvay reagent (for 



nitrites), 217, 224 

 Griess' method (for nitrites), 



216, 223 

 Guanos, examination of, 132, 

 140 

 uric acid from, 183, 141 



Ichabce guano, 132, 141 

 lodates, in nitrate of soda, 91, 



108 

 Iodine value, determination of, 



13, 22 ; 195, 205 

 Iron, in plant ash, detection of, 



6,9 

 in soil, detection of, 40, 64 



estimation of, 80, 81, 100 



J 



Java beans, examination of, 

 154, 159 



