Smithsonian Contributions to Knowledge, Volumen29

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Smithsonian Institution, 1903 - 24 páginas
 

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Contenido

Reason for Constructing a Second Apparatus
75
Connection of Globes to Pump and Barometer
77
Capacity of Connecting Tubes
78
Remarks
79
Final Result for the Density of Hydrogen
80
ON THE VOLUMETRIC COMPOSITION OF WATER 1 Introduction
81
Method Employed 38
83
Volume Temperature and Pressure
84
Voltameter for Producing and Weighing Electrolytic Gas
85
Filling the Globes with Mixed Gasses
86
Closing the Globes during the Analysis of the Gas
87
Eudiometric Analysis of Electrolytic Gas
88
Leakage of Air between Mercury and Glass
89
Can Electrolytic Gas be Obtained in Atomic Proportions ?
90
Observations on the Excess of Hydrogen
91
Reduction of Results
92
SYNTHESIS OF WATER FROM WEIGHED QUANTITIES OF HYDROGEN AND OXYGEN 1 Introduction
96
Balance and Weighing on Reversal Apparatus
97
Apparatus for Producing and Weighing Water
99
Manipulation in Setting together the Apparatus for Combustion IOO 7 Manipulator for Regulating the Progress of the Combustion ΙΟΥ 7 Manipulato...
103
IO Weighing the Palladium after a Combustion
104
Sources of Error
105
Completeness of Drying Gases with Phosphorus Pentoxide
106
Is Oxygen Absorbed by the Phosphorus Pentoxide Used ?
107
ResultsAtomic Weight of Oxygen
109
Atomic Weight Computed from Density and Volumetric Ratios
17
Bibliography
29
Obituary notices of distinguished individuals
12
INTRODUCTORY 1
1
SYSTEMATIC ERRORS 11
11
RESULTS 25
25
Calcic Chloride
16
TO DIFFUSE KNOWLEDGE It is proposed to publish occasionally separate
ii
SUMMARY OF ALL PUBLISHED RESULTS III
iii
ARTICLE III 989 The Composition of Expired Air and its Effects upon Animal Life
v
These treatises may occasionally consist of valuable memoirs translated
1
Ferric Chloride
102
Ferric Nitrate
120

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