INDEX. Page. ses of Albite, Amelia County, Va., alkaline re- 156 160 156-158 140, 152-153 151-152 149 142 100 55 County, Cal.. percentage of vana. 51 County, Cal., percentage of silica 51 counties, Cal., percentage of silica 51 percentage of silica and vanadium 50 50 70 157 19 160 25 of silica, vanadium, and molyb. 50 69-70 157 W'yo., percentage of silica and vana- 50 Alaska, percentage of silica and 50 Page. 137, 138 143 102 101 122 Tex., percentage of silica and vana. 50 66 67 78 27 County, Cal., percentage of silica 51 lumne County, Cal., percentage of 51 County, Cal., percentago of silica 51 centage of silica, vanadium, and 50 ments relative to constitution of... 17-19 17 57-60 centage of silica and vanadium in.. 50 157 130 157 160 60 86 phosphonitrilic. .... 118 119 Page. 77-89 tion, molecular weight, and prop- 133 molecular weight, and properties 132-133 132 125 135 135-136 tion, molecular weight, and proper. 131 125 89 130 125, 127-130 126-127 141-142 125 134, 135 133 88 86-88 125 83-84 82-83 125 82 79-82 77-153 37-13 presence of small amounts of....... 44-48 53 9 73-74 156-158 26-36 11 13, 15, 68, 76, 160 hydromica from New Jersey by 154-155 periments relative to the constitu- 13-25 Page 62-63 37-13 R6 83 78 a hydroinica from New Jersey by. 154-153 50 122 110-113 70 percentage of silica and ranadium in 50 50 50 50 30 Colo., percentage of silica and va. 50 120 56 159 64 68 70 107-108 analysis...... against use of, in estimating titan. 56 field, S. L., and Foote, H. W. 27 22 50 50 69_70 37 Page. 50 24 62, 72 70, 73 140 77 78 phosphodiamic acid and ferric sul- 107 94 139 96 77 90 percentage of silica and vanadiumin 50 50 50 82 55 49 ride, heptaphosphonitrilic. 157 159 149-151 150-151 ride, hexaphosphonitrilic. 107 107 small amounts of chromiuin by..... 37-43 tive occurrence of vanadium and 49-55 vanadium in the presence of small 44-46 hydrogen in estimating titanium.. 56 87 24, 130 86 78 77 Page 90 centage of silica and vanadium in.. 50 154-155 113-116 115-116 36 35 09 68-69 55 135 36 35 70 57 37 66 district, Mich., percentage of silica 50 69 silica and vanadium in 157 159 77 156 159 156 25 160 96, 124, 141 77 51 159 77 150 144 143-144 100 122-123 74-75 49 75 75-76 Tex., percentage of silica and vana- 50 of .... Page. 60-62 61 91 ...... 140, 152-153 77-153 136-153 55 27 82 occurrence of vanadium and, in rocks of the United States......... 49-55 of silica, vanadium, and molyb. 50 49 27, 28 159 159 Mex., percentage of silica and va- 50 percentage of silica, vanadium, and 50 50 156 Chloride, nitrilo-hexaphosphoni- trilic. 78-79 50 24 124 123-124 160 156 centage of silica and vanadium in.. 50 centage of silica and vanadium in.. 50 156 159 57 59 Page. 157 159 57 28 59-60 30 26 27 59 57 146-118 142-149 ride, pentaphosphonitrilic. 112 ....... 112-113 156 27 55 159 centage of silica and vanadium in.. 50 50 phosphonitrilic. metaphosphimic acids and........ 77-153 78, 79 50 50 polyphosphonitrilic. centage of silica and vanadium in.. 50 100 67, 68 06-68 55 16 ers County, Colo., percentage of 51 50 centage of silica, vanadium, and 50 in .... in .... Page 50 Cal.. percentage of silica, vana- 50 percentage of silica, vanadium, and 50 centage of silica and vanadium in.. 50 centage of silica and vanadium in. 51 68 60 60 of silica, vanadium, and molyb. 59 of silica, vanadium, and molyb. 50 50 102 28, 29, 30 26 72 70,73 73-74 70-74 108 51 141-142 50 157 centage of silica and vanadium in.. 51 13, 15 51 ..... 156-158 tain natural...... ......... 159-160 150 116 152 151-152 analyses 145, 146 .. 144-146 Page 106 105-107 104 104-105 148 centage of silica and vanadium in. 51 percentage of silica and vanadium in 51 24 157 99 149 phoric acid, constitution and prop. 151 143 142, 143 147 147-148 116 97, 98 98 97 percentage of silica and ranadium in 50 76 70 154 159_160 periments relative to the constitu. 13-25 157 160 49 phorus and metaphosphimic acids 77-133 75-76 50 Colo., percentage of silica and va. 50 50 13 132-133 60-63 observations on and analyses of ... 121 in ..... on... |