The Owens College Junior Course of Practical Chemistry |
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... B. " " Weights and Measures · 154 C. Treatment of Silver Residues . D. Treatment of Platinum Residues Questions and Exercises INDEX • 155 • 158 159 177 JUNIOR COURSE OF LABORATORY PRACTICE . PART I. PREPARATION OF viii CONTENTS .
... B. " " Weights and Measures · 154 C. Treatment of Silver Residues . D. Treatment of Platinum Residues Questions and Exercises INDEX • 155 • 158 159 177 JUNIOR COURSE OF LABORATORY PRACTICE . PART I. PREPARATION OF viii CONTENTS .
Page 35
... platinum dish , pour over it some strong sulphuric acid , and heat gently . Observe the fumes of hydrofluoric acid which come off , and then place the waxed glass plate across the dish so as to be exposed to the gas , taking care that ...
... platinum dish , pour over it some strong sulphuric acid , and heat gently . Observe the fumes of hydrofluoric acid which come off , and then place the waxed glass plate across the dish so as to be exposed to the gas , taking care that ...
Page 42
... platinum wire , heat it , and dip it while hot in some sodium bicarbonate , so as to cause a small quantity to adhere to the wire ; now heat it with the blow - pipe flame until it is fused . * Then place on it a minute quantity of any ...
... platinum wire , heat it , and dip it while hot in some sodium bicarbonate , so as to cause a small quantity to adhere to the wire ; now heat it with the blow - pipe flame until it is fused . * Then place on it a minute quantity of any ...
Page 50
... PLATINUM , IRON . NICKEL , and COBALT . They may be further distin guished as follows : - Copper . Red bead , soluble in HNO3 Tin . White bead Silver . 99 Gold . 99 99 99 Yellow bead , insoluble Platinum . Non - magnetic powder Iron ...
... PLATINUM , IRON . NICKEL , and COBALT . They may be further distin guished as follows : - Copper . Red bead , soluble in HNO3 Tin . White bead Silver . 99 Gold . 99 99 99 Yellow bead , insoluble Platinum . Non - magnetic powder Iron ...
Page 51
... platinum wire coiled round it ) just below a small porcelain basin filled with water , yields grey film , which , on rubbing with a piece of filter paper , is col- lected into small globules . If the quantity of mercury be large ...
... platinum wire coiled round it ) just below a small porcelain basin filled with water , yields grey film , which , on rubbing with a piece of filter paper , is col- lected into small globules . If the quantity of mercury be large ...
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Common terms and phrases
acetic acid acid solutions added AgNO3 alkaline ammonia ammonium antimony aqua regia arsenic BaCO3 Barium black precipitate blue boiling borax brown calcium Cambridge carbon dioxide chloride cipitate Cobalt colour compounds conducting tube copper Crown 8vo decomposed dissolved Edition ENGLISH evaporate Extra fcap fcap filter FILTRATE flask Fused grams green group reagents H₂O H₂S Heated on charcoal hydrate hydrochloric acid hydrogen insoluble iodide iodine late Fellow LATIN manganese manganese dioxide mercury mixture moistened NaHO neutral solutions NH)HO NH4)2S produces NH4Cl nitrate nitric acid observe obtained Owens College oxalic oxalic acid oxygen phosphorus platinum potassium chlorate preparation produces a precipitate produces a white Prof Professor reaction reducing flame residue revised salt School silver sodium solu soluble soluble in excess soluble in HCl soluble in HNO3 substance sulphate sulphide sulphuric acid Tartaric acid Thallium tion Trinity College white precipitate yellow precipitate yields zinc
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