Manual of the Chemical Analysis of Rocks

acetate added alcohol alkali carbonates alkalies allowed alumina ammonia ammonia water ammonium chloride anhydride basic rocks beaker boiling Bull c.c. of water cake calcium carbonate cent chemical chloroplatinic acid color complete constituents contents cool cover Cruc decomposition determination dilute dissolved drops dryness error especially evaporation ferric ferrous iron ferrous oxide filtrate flame flask fluorine funnel fused fusion gently glass Gooch crucible gram heated Hillebrand hydrochloric acid hydrofluoric acid igneous rocks ignited and weighed Large 12mo lime liquid loss magnesia manganese mass minerals mixture necessary nickel nitrate nitric acid operation oxalate paper Penfield permanganate phosphate placed platinum basin platinum crucible platinum spatula portion potassium poured precipitate present pyrrhotite quantities reagents rinsed rock powder salts separate sides silica small amount sodium carbonate specimen standard solution stirring-rod sulphide sulphuric acid test solution TiO2 tion titanium total iron tube U. S. Geol usually wash-bottle washed watch-glass water-bath zirconia ZrO2