Mixed Metals: Or, Metallic AlloysMacmillan and Company, 1890 - 384 σελίδες |
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Αποτελέσματα 1 - 5 από τα 49.
Σελίδα 20
... whiteness and brilliant lustre , although when precipitated from its solutions it often forms a gray powder ; it is harder than gold , but softer than copper , the relative hardness being as 4 : 5 20 CHAP . MIXED METALS.
... whiteness and brilliant lustre , although when precipitated from its solutions it often forms a gray powder ; it is harder than gold , but softer than copper , the relative hardness being as 4 : 5 20 CHAP . MIXED METALS.
Σελίδα 21
... gray crystalline body , with feeble lustre , somewhat soft and malleable . When heated in air it does not form oxide or sulphate , like most other metallic sulphides , and at a red heat is decom- posed into metallic silver and ...
... gray crystalline body , with feeble lustre , somewhat soft and malleable . When heated in air it does not form oxide or sulphate , like most other metallic sulphides , and at a red heat is decom- posed into metallic silver and ...
Σελίδα 23
... gray colour , shows a finely - granular fractured surface when broken , and has a metallic lustre . Phosphorus is highly injurious to copper when allowed to remain in it , but a small quantity may , under certain circum- stances , exert ...
... gray colour , shows a finely - granular fractured surface when broken , and has a metallic lustre . Phosphorus is highly injurious to copper when allowed to remain in it , but a small quantity may , under certain circum- stances , exert ...
Σελίδα 24
... gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with sulphur , forming an important compound , mercuric sulphide or ver- milion HgS ...
... gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with sulphur , forming an important compound , mercuric sulphide or ver- milion HgS ...
Σελίδα 25
... gray colour , and possesses considerable lustre ; it is malleable , ductile , and tough , but has a feeble tenacity . The lustre of a freshly cut surface soon becomes dim when exposed to the air , owing to the formation of a film of ...
... gray colour , and possesses considerable lustre ; it is malleable , ductile , and tough , but has a feeble tenacity . The lustre of a freshly cut surface soon becomes dim when exposed to the air , owing to the formation of a film of ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acid added alloys containing aluminium amalgam annealing antimony arsenic bells bismuth brass Britannia metal brittle bronze cadmium carbon cast cast-iron cent copper cent of copper charcoal chemical choidal colour combination composition consists constituents cooling copper copper and tin crucible crystalline ductile elasticity employed Fcap following table fracture furnace fused fusible alloys German silver granular gray grayish Guettier gun-metal hammer hard harder impurities ingot iron lead liquid lustre malleable Mallet manganese manufacture melting point mercury mixed mixture molten metal mould nickel nitric acid obtained ordinary oxide oxidising oxygen phosphor-bronze phosphorus plate platinum polish poured powder prepared present produced Professor properties proportions pure readily red heat remelted resistance reverberatory furnace rolled sand silicate slag small quantity soft solder solidifying specific gravity square inch steel sulphide sulphur surface temperature tenacity thick Tombac toughness volatilised wire yellow zinc
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