Painters' Colours, Oils, and Varnishes: A Practical ManualC. Griffin, limited, 1901 - 504 pagina's |
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Pagina 16
... acid . Normal lead acetate . Hydrogen . The normal lead acetate , under the influence of water and heat , parts with some of its acetic acid and passes into the basic acetate , thus- 2. 2 Pb 2 C2 H3 02 + 2H2O = Pb2C2 H2O2 , Pb H2 O2 + ...
... acid . Normal lead acetate . Hydrogen . The normal lead acetate , under the influence of water and heat , parts with some of its acetic acid and passes into the basic acetate , thus- 2. 2 Pb 2 C2 H3 02 + 2H2O = Pb2C2 H2O2 , Pb H2 O2 + ...
Pagina 19
... acid , and acetic acid at once admitted into the chamber . After a period varying from four to five weeks , the white lead will have been formed ; it is collected and treated as in the Dutch process . The chemical action which proceeds ...
... acid , and acetic acid at once admitted into the chamber . After a period varying from four to five weeks , the white lead will have been formed ; it is collected and treated as in the Dutch process . The chemical action which proceeds ...
Pagina 20
... acid is present , too much acetate of lead is formed , which is not decomposed by the aqueous vapour and the carbonic acid ; too much of the latter tends to cause the formation of an excess of lead carbonate , and the white lead loses ...
... acid is present , too much acetate of lead is formed , which is not decomposed by the aqueous vapour and the carbonic acid ; too much of the latter tends to cause the formation of an excess of lead carbonate , and the white lead loses ...
Pagina 21
... acid in the form of spray , at the same time the chamber is maintained at a suitable temperature by means of steam pipes . The action of the water and acid is to convert the lead into basic acetate of lead ; when this has been properly ...
... acid in the form of spray , at the same time the chamber is maintained at a suitable temperature by means of steam pipes . The action of the water and acid is to convert the lead into basic acetate of lead ; when this has been properly ...
Pagina 23
... acid vapours , made by boiling dilute solutions of those acids , are conveyed into the chamber , or dioxide of nitrogen with acetic acid may be used . The atmosphere of the chamber must be in a misty condition , and this is brought ...
... acid vapours , made by boiling dilute solutions of those acids , are conveyed into the chamber , or dioxide of nitrogen with acetic acid may be used . The atmosphere of the chamber must be in a misty condition , and this is brought ...
Overige edities - Alles bekijken
Painters' Colours, Oils, and Varnishes: a Practical Manual George Henry Hurst Volledige weergave - 1892 |
Painters' Colours, Oils, and Varnishes: a Practical Manual George Henry Hurst Volledige weergave - 1892 |
Painters' Colours, Oils, and Varnishes: A Practical Manual George Henry Hurst Geen voorbeeld beschikbaar - 2016 |
Veelvoorkomende woorden en zinsdelen
acetate of lead acetic acid added alcohol alkali alum alumina ammonia analysis ASSAY barium barium chloride barytes bichromate body boiling calcining calcium carbonic acid caustic soda cent chamber CHARLES GRIFFIN china clay chloride chromate chrome chrome-yellow coal-tar cobalt colouring matters colouring power composition contain copal copper covering power dissolved distillation dried driers drying dyestuffs Engineer EXETER STREET ferric filter flue furnace gallons green grinding heat hydrochloric acid insoluble iron lake lead acetate linseed oil liquor litharge manganese mass material method mill mixed mixture obtained ochre orange oxide paint pale patent petroleum pigment placed potash potassium precipitate prepared properties proportion Prussian blue residue resin rosin salt sample sandarac shade silica small quantities sodium soluble solution specific gravity spirit steam sulphide sulphuric acid tanks temperature tint turpentine ultramarine usually varies variety varnish washed white lead yellow zinc white