A System of Instruction in the Practical Use of the Blowpipe: Being a Graduated Course of Analysis for the Use of Students, and All Those Engaged in the Examination of Metallic Combinations |
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Page iv
... Forceps , PART II . • 47 47 52 55 61 69 72 75 ( ( in the Borax Bead , ( ( in Microcosmic Salt , Table I. - Colors of Beads of Borax and Microcosmic Salt , Table II . - Behavior of Metallic Oxydes with Borax and Microcosmic Salt ...
... Forceps , PART II . • 47 47 52 55 61 69 72 75 ( ( in the Borax Bead , ( ( in Microcosmic Salt , Table I. - Colors of Beads of Borax and Microcosmic Salt , Table II . - Behavior of Metallic Oxydes with Borax and Microcosmic Salt ...
Page 27
... forceps may be used to grasp it , or it may be placed on a piece of charcoal ( e . ) Platinum Spoon . - When we ... forceps . ( f . ) Platinum Forceps or Tongs . - We frequently are neces- sitated to examine small splinters of metals or ...
... forceps may be used to grasp it , or it may be placed on a piece of charcoal ( e . ) Platinum Spoon . - When we ... forceps . ( f . ) Platinum Forceps or Tongs . - We frequently are neces- sitated to examine small splinters of metals or ...
Page 47
... forceps . 2 . 3 . 4 . ( ( 5 . " 6 . " in microcosmic salt . 7 . in the borax bead . in the carbonate of soda bead . 8. Confirmatory examinations . 1. EXAMINATIONS WITH THE GLASS BULB . The glass of which the bulb is made should be from ...
... forceps . 2 . 3 . 4 . ( ( 5 . " 6 . " in microcosmic salt . 7 . in the borax bead . in the carbonate of soda bead . 8. Confirmatory examinations . 1. EXAMINATIONS WITH THE GLASS BULB . The glass of which the bulb is made should be from ...
Page 61
... FORCEPS . Before the student attempts to make an examination in the platinum forceps or tongs , he should first ascertain whether or not it will act upon the platinum . If INITIATORY ANALYSIS . 61.
... FORCEPS . Before the student attempts to make an examination in the platinum forceps or tongs , he should first ascertain whether or not it will act upon the platinum . If INITIATORY ANALYSIS . 61.
Page 64
... forceps , or the crooked wire . ( c . ) Bromide of Copper . - This salt colors the flame of a bluish - green color , but when the bromine is driven off , then we have the green of the oxide of copper . ( d . ) Antimony . This metal ...
... forceps , or the crooked wire . ( c . ) Bromide of Copper . - This salt colors the flame of a bluish - green color , but when the bromine is driven off , then we have the green of the oxide of copper . ( d . ) Antimony . This metal ...
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Common terms and phrases
alkali alumina antimony arsenic assay baryta Behavior Mineral bismuth blowpipe blowpipe flame blue color borax cadmium carb carbonate of soda ceding Cerium char charcoal Chemistry Chimie chloride clear bead coal cobalt cold colorless colors the flame compounds cooling copper crystals dark edit exposed external flame flame blue flame of oxidation flame of reduction forceps Fuses fusible glass tube glass-bulb green color grey hydrate hydrochloric acid ignition incrusts the charcoal infusible insoluble intumescence iron lead lime lithia litmus paper London magnesia manganese mass melts metallic oxides microcosmic salt moistened nickel Niobic nitric acid opaque open tube outer flame oxidation flame oxygen Paris platinum platinum wire potash potassa powder present produce protoxide reac red color red heat reduced reduction flame sesquioxide silicates silver soluble Special reactions strontia sublimate substance sulphate sulphide sulphuric acid Telluric Acid tellurium tion Titanic Acid vapor violet violet color volatilized vols yellow color
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Page 16 - The operation depends upon a little artifice in blowing through the pipe, which is in reality more difficult to describe than to acquire. " The effect intended to be produced is a continual stream of air for many minutes, if necessary, without ceasing. This is done by applying the tongue to the roof of the mouth, so as to interrupt the communication between the mouth and the passage of the nostrils ; by which means the operator is at liberty to breathe through the nostrils, at the same time that...
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