INDEX.

Page.
A
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]

Transcriber’s Notes:

Old spellings were not corrected, e.g "dioxid" insread of "dioxide".

The illustrations have been moved so that they do not break up paragraphs and so that they are next to the text they illustrate.

Typographical and punctuation errors have been silently corrected.