Page 11 - APPLIED INORGANIC ANALYSIS

CONTENTS xv

PAGE
4, Chromium... .........,6......+.. 759
A. Gravimetric Methods ..... 760
B. Colorimetric Method. 761
C. Comparative Data......- 762
15. Vanadium (Chromium) and Molybdenum....- 763
A. Distribution of Vanadium and Molybdenum 763
B. Condition of Vanadium in Rocks........ 763
C. Hillebrand's Method. 764 4
16. Iron.... 769
A. Ferrous Iron 769
B. Ferric Iron. 785
17. Alkalies...... 786
A. General Considerations . 786 •
B. The J. Lawrence Smith Method of Attack for Insoluble Silicates
and Collection of the Alkalies as Chlorides... ...,, 788
C. The Berzelius Method of Attack and Collection of the Alkalies as
Chlorides. 792
D. Separation of the Alkalies from One Another and Their Determi-
nation.... ..,,795
a
r
C
18. Carbon dioxide, bon.. 795
A. Qualitative Test for Carbon Dioride. 795
B. Quantitative Test for Carbon Dioride. 796
C. Carbon. 797
19. Chlorine.. 798
A. Condition in Rocks.. 798
B. Determination of Water-Soluble Chlorine 798
C. Determination of Acid-Soluble Chlorine 799
D. Determination of Chlorine by Alkali Fusion. 799
20. Fluorine (Silica in Presence of Fluorine) 800
A. General Remarks 800
B. Direct Quantitative Determination of Fluorine 800
C. Indirect Quantitative Determination of Fluorine. 807
21. Sulphur . 8IO
A. Determination of the Condition of Sulphur in Rocks 810
B. Quantitative Determination in Rocks...•.. 811
22. Boron. 813
A, General Remarks.»·.. 813
B. Qualitative Tests for Boron. 814 4
23. Certain Constituents in Minute Traces..· 815
24. The Gases and Vapors Expelled by Heat 816
25. Special Operations. 818
A. Detection of Nepheline in Presence of Olivine 818
B. Determination of " Soluble" Silica... 818