A
Page.
Acid phosphates, definition, 150, 151
Albuminoid nitrogen, separation, 225
Alkalies, determination in ashes, 320, 321
official method for determination in ashes, 322
Alkaline earths in wood ashes, 317
Amid nitrogen, separation, 225, 228
Ammonia, preparation for washing precipitates, 17
Ammoniacal nitrogen, 166
separation, 226
Ammonium citrate, influence of
acidity and alkalinity on solvent power, 137, 138
movement on solvent power, 141
quality of sample on solvent power, 136
temperature on solvent power, 134
time on solvent power, 133
preparation, 44
solvent for phosphoric acid, 132
nitrate solution, preparation, 45
Animal débris, treatment, 11
Aqueous vapor, measurement of tension, 180, 181
Arsenic, error, 54
Asboth, method for nitrogen, 212
Ashes, analysis, statement of results, 323, 324
composition, 252
fertilizing value, 254
percentage in various woods, 253
Authorities cited in Part First, 156-160
Fourth, 324
Second, 246, 247
Third, 300, 301
B
Barium oxalate, reagent for potash determination, 281
Barometer, method of use, 178, 179
Basic phosphatic slags, technical analysis, 123
slags, Dutch method for analysis, 77
Halle method for analysis, 76
Berzelius, method of estimating fluorin, 35, 36
Blood, dried, 165
Brown, separation of iron and alumina in phosphates, 131
C
Calcium carbonates, function in manufacture of superphosphates, 152
fluorids, reactions, 152
Carbon dioxid, determination in ashes, 322
phosphates, 19
estimation, 19
in wood ashes, 315, 319
Carnallit, 260
method for analysis, 274-277
Cave deposits, 312
Chatard, modification of Berzelius method, 35-37
Glaser-Jones process, 30, 31
organic matters in phosphates, 18
Chile saltpeter, 168, 235
adulteration, 234
analysis, 234
application, 240
commercial forms, 233
consumption, 245
Gantter’s method, 236-238
method of difference, 239, 240
French sugar chemists, 236
percentage of nitrogen, 233
quantity applied, 244
zinc-iron method, 234, 235
Chlorin, determination in ashes, 322
Chromium, occurrence in phosphates, 128
Citrate and molybdate methods, comparative accuracy, 69
insoluble phosphoric acid, 41
method, 57-59
applicability, 145, 146
Swedish modification, 66, 67
soluble phosphoric acid, 44
direct precipitation, 147
Dutch method, 68
Coloration of distillate, 187
Combustion furnace, 175
Copper oxid combustion, 170
Cottonseed hulls and meal, composition, 251
Crispo, method of estimating iron and alumina, 29, 30
D
Dilute ammonia, preparation, 45
Distillate, coloration, 187
Distillation apparatus, 208
Dudley and Pease, determination of phosphoric acid
in the presence of iron, 113
F
Factors for calculating potash analysis, 270
phosphoric acid analysis, 17
Ferric phosphate in wood ashes, 317, 318
Ferrous sulfate, analysis, 310, 311
uses, 310
Fertilizers, cost of transportation, 2
definition, 1
drying samples, 12
German methods, 13
official methods, 13
natural, 1
objects of analysis, 1
sampling mixed, 6
French method, 7
method of French sugar chemists, 7
treatment of samples in laboratory, 10
Fertilizing ingredients, trade values, 3
valuation, 2
materials, minerals containing, 5
sampling organic, 8
Fish scrap, 134
Fluorin, estimation in phosphates, 35-38
occurrence in bones, 130
G
German experiment stations, methods for determining
phosphoric acid, 45, 46
Glaser method for estimating iron and alumina, 24, 25, 27
Gooch distillation method, 19
Green vitriol, analysis, 310, 311
uses, 310
Grinding apparatus for fertilizers, 6
Guanos, 312
analysis, 313
nitrogen content, 166
origin, 167
Gunning method, 216, 217
adapted to nitrates, 220
official, 219
for nitrates, 220
process, reactions, 218
Gypsum, 307
amount used, 307
analysis, 308, 309
use for composting, 307, 308
H
Halle method for potash, 270, 271
Hen manure, 312
Hess, method for estimating iron and alumina in phosphates, 25, 26
Holleman, silver method for phosphoric acid, 117
Horn, hoof, and hair, 165
Huston, calcium chlorid method, 282
digestion apparatus, 142, 143
mechanical stirrer, 144, 145
solubility of reverted phosphoric acid, 132, 139
I
Immendorff, method for estimating lime, 23
Indicator for nitrogen determination, 204
Iodin, determination in phosphates, 127
Iron, acetate method, 24
determination in ashes, 320
estimation in phosphates, 24-26, 28-31
J
Jodlbaur method, Dutch variation, 213, 214
for nitrogen, 212, 213
Halle modification, 214
Johnson and Jenkins, method for nitrogen, 177
citrate method, 59
comparison of citrate and molybdate methods, 69, 70
Jones modification of Glaser method, 28
reductor, 115
Jüptner, tartaric acid solution, 17
K
Kainit, 259
methods for analysis, 274-277
Kieserit, 263
methods for analysis 274-277
Kjeldahl method, 192-216
Dutch process, 200
Halle process, 200-204
modifications, 209-216
official for nitric nitrogen, 215
process, 204-207
original process, 193-196
preparation of reagents, 167-199
theory of reactions, 197
Knorr apparatus for carbon dioxid, 19
Kreider, perchlorate process, 296
Krug and McElroy, estimation of iron and alumina
in phosphates, 32, 33
Krugit, 262
L
Land plaster, 317
Leather waste, 314
Lime, action, 303-305
analysis, 305
application, 303
as a fungicide and insecticide, 305
compounds used as fertilizer, 302
determination, in ashes, 320
of state of combustion, 306, 307
estimation in basic slags, 80, 81
phosphates, 21-23, 35
of caustic, 81
preparation of sample, 306
Mc
McElroy, method of analysis for wood ashes, 319-322
separation of iron and alumina from phosphoric acid, 33, 34
M
Manganese, determination in ashes, 320
Magnesia, determination in wood ashes, 320
error due to occluded, 54
estimation in phosphates, 35
mixture, preparation, 17, 45
removal in perchlorate process, 298
Magnesium compounds, action in manufacture of superphosphates, 154
nitrate, preparation, 45
pyrophosphate, color, 55, 56
Manure, definition, 1
sampling barnyard, 9
Marioni and Fasselli, modification of Glaser’s method, 31, 32
Mercury pump, 173, 174
Mills for crushing fertilizing minerals, 5
Minerals containing fertilizing materials, 5
Moist combustion process, historical, 192
Moisture, determination in ashes, 219
in monocalcium phosphates, 13, 14
Molybdate and citrate methods, comparative accuracy, 69
method, adopted by Brussels congress, 67
sources of error, 53
Molybdedum precipitate, direct weighing, 150
Molybdic solution, preparation, 17, 45
Morgen, citrate method, 60-65
N
Neubauer, investigation of error, 54, 55
Nitric nitrogen, 168
estimation, 227
Krüger’s method, 231
Schlöesing-Wagner method, 228, 229
Schmitt’s modification, 230
Ulsch method, 227
separation, 226
Nitrifiable solution, 243
Nitrogen analysis, calculation of results, 177
table for calculating results, 183
as ammonia, 221, 222
determination by Boussingault, 222, 223
cost per pound, 3, 4
forms of occurrence, 161, 162
kinds in fertilizers, 161
method of volumetric determination in laboratory, 175, 176
methods of analysis, classification, 169
official methods, 170
volumetric method, 171, 172
qualitative determination of form, 162, 163
Nitrogenous fertilizers, source, 163, 169
Norwegian methods, 45, 47
Noyes and Royse, determination of phosphoric acid
in the presence of iron, 113, 114
O
Official method for phosphoric acid, 16
volumetric method, rarely used, 173
Ogilvie, separation of alumina from phosphoric acid, 31, 32
Organic fertilizing materials, sampling, 8
matters, destruction, 255
by moist combustion, 256
sulfuric acid, 56, 57, 147, 148
in phosphates, 39
ignition with sulfuric acid, 255
in phosphates, 18
P
Patrick, distilling flask, 209
Pemberton method, comparison with official, 109
of preparing reagents, 107, 108
volumetric method for phosphoric acid, 106
Perchlorate process, accuracy, 300
applicability, 299
comparison of results, 298
method of Kreider, 296, 297
Perchloric acid, composition, 295
keeping properties, 295
preparation, method of Caspari, 290, 291
Kreider, 292-294
reagent for potash, 286
Phosphates, constituents to be determined, 15
insoluble matter, 20
low cost, 3
moisture in monocalcium, 13, 14
natural manurial value, 4
preparation of solution, 20
soluble matter, 19
Phosphatic fertilizers, availability, 148, 149
slags, adulteration, 81
detection, 82-86
analysis, 75-81
manufacture, 71, 72
solubility, 74
Phosphomolybdic acid, reagent for potash, 289
Phosphoric acid, condition in superphosphates, 101
cost per pound, 3
determination as stannic phosphate, 40
by official method, 16
titration of yellow
precipitate, 106-110
in ashes, 321
basic slag, 51
bone meal, 51
fish-guano, 51
mineral phosphates, 51, 53
superphosphates, 50
direct estimation, 15
Dutch method of determination, 51-53
error due to volatility, 54
estimation as a lead compound, 110
in presence of iron, 112
molybdenum technical method, 120, 121
preparation of reagents for technical
determination, 118, 119
separation in wood ashes, 319
silver method, 116, 117
sources, 39
Swedish methods of determining, 49, 50
technical determination, 118-125
volumetric uranium method, 121, 122
time required for precipitation, 126
typical solution, 95
used for superphosphate manufacture, 156
volumetric determination, 86-118
Platinic chlorid, method for potash, 267
official, 267, 268
Platinum method, sources of error, 284, 285
waste, recovery, 287-289
weighing metallic precipitate, 283, 284
Polyhalit, 261
Potash analysis, classification of methods, 266
consumption, 265, 266
cost per pound, 4
Dutch method for analysis, 272
estimation as perchlorate, 289-300
table of factors, 287
forms found in fertilizers, 249
Halle method for analysis, 270, 271
in molasses, 254
winery residues, 255
methods of analysis, 266-300
occurrences in mineral deposits, 256, 257
official alternate method, 269
recovered from factory residues, 265
salts, changes in situ, 257
control method for analysis, 283
effect of concentration on accuracy of
analysis, 285, 286
geological occurrence, 258
methods for analyzing concentrated, 278-280
solution from organic compounds, 270
sources, 248
Swedish method for analysis, 273
Potassium hydroxid solution, tension of vapor, 182
magnesium carbonate, 265
platinochlorid, differences in crystalline form, 286
sulfate, grades as fertilizers, 264
Pyrophosphate, examination, for impurities, 126
R
Reverted phosphates, reversion by ammonium citrate, 103, 104
phosphoric acid, arbitrary determination, 139
definition, 139, 140
determination by uranium method, 102
Robinson, sources of error in platinum method, 284, 285
Roode, de, method for kainit, 281
Ross, direct precipitation of citrate soluble phosphoric acid, 147
Ruffle method, 188
Boyer’s modification, 190, 191
official, 188-190
S
Salt, 309
analysis, 310
Samples, directions for taking bulk, 243
French method of preparation, 10
German method of preparation, 10
official method of preparation, 10
special cases, 12
taking, 4
Sanborn, method of filtering phosphoric acid, 42
Sand in wood ashes, 315, 316, 319
Schönit, 264
Schweitzer and Lungwitz, method for potash, 281
Scovell, method for nitrogen, 215
Seeds and seed residues, 163
Shaking apparatus, 78, 79
Silica, error due to occluded, 53
estimation in phosphates, 20
in wood ashes, 315, 316, 319
Slags, basic phosphate, 70
composition, 72, 73
manufacture, 71, 72
Soda-lime process, 183, 184
French method, 186
hydrogen method, 187
official method, 184-186
preparation of samples, 187
Sodium nitrate, functions, 231, 232
value, 246
Soluble phosphoric acid, determination by uranium method, 102
German method of estimating, 47, 48
Spencer, silver method for phosphoric acid, 116
Stall manures, 311
Stannic chlorid, reagent for determining phosphoric acid, 40
Sterilized tubes, for sampling, 241
Stone and Scheuch, estimation of caustic lime, 81
Sulfuric acid, determination in ashes, 321
estimation in phosphates, 35
quantity used in the manufacture of
superphosphates, 154, 155
removal in perchlorate process, 298
Superphosphates, action of iron and alumina compounds
in manufacture, 153
chemical reactions in manufacture, 151
definition, 150, 151
determination by uranium method, 102
manufacture, 150-156
with phosphoric acid, 156
quantity of sulfuric acid used
in manufacture, 154, 155
technical analysis, 124, 125
Sylvin, 262
Sylvinit, 263
methods for analysis, 274-277
T
Tankage, 165
Tartaric acid, use, in molybdenum solution, 17
Tetracalcium phosphate, molecular structure, 73
Thiocyanates in fertilizers, determination, 224
Tobacco stems, 250
and waste, composition of ash, 250
waste, 250
Total phosphoric acid, treatment, 42, 43
U
Uranium method for phosphoric acid, 88-101
preparation of standard solution, 94
process, causes of errors, 98, 99
correction, 97
titration of sample of phosphate, 100
solution, titration, 96
V
Vanadium, methods of estimation, 128, 129
Van Slyke, reactions of gunning method, 218
Voorhees, method for nitrates, 220
W
Waste matters as fertilizers, 2
Water, determination in phosphates, 18
soluble phosphoric acid, 41
volumetric estimation, 111
Wells, citrate method, 59
Wilfarth, method for nitrogen, 211
Winton and Voorhees, gunning method for nitrates, 220
potash analysis, 285, 286
Wood ashes, 251, 315
composition, 252
Wyatt, method for determining iron and alumina in phosphates, 34
estimating fluorin, 37, 38
lime, 22