Painters' Colours, Oils, and Varnishes: A Practical ManualC. Griffin, limited, 1901 - 504 pagina's |
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Pagina 30
... soda , and gas is passed into the tanks , as before , until the liquor ceases to be alkaline . This point is ascertained by the workmen taking a little of the mixture out of the tanks from time to time ; if it appear viscid , forming a ...
... soda , and gas is passed into the tanks , as before , until the liquor ceases to be alkaline . This point is ascertained by the workmen taking a little of the mixture out of the tanks from time to time ; if it appear viscid , forming a ...
Pagina 33
... soda may be used ) with a solution of caustic soda until the alkali is saturated with lead ; then a current of carbonic acid is passed through the liquor , and white lead is precipitated , while carbonate of soda is formed . The latter ...
... soda may be used ) with a solution of caustic soda until the alkali is saturated with lead ; then a current of carbonic acid is passed through the liquor , and white lead is precipitated , while carbonate of soda is formed . The latter ...
Pagina 37
... soda for some time , when white lead is formed . This process was worked on a large scale for a short time , but it was super- seded by Milner's process described above . A process patented by Isham Baggs was almost identical with this ...
... soda for some time , when white lead is formed . This process was worked on a large scale for a short time , but it was super- seded by Milner's process described above . A process patented by Isham Baggs was almost identical with this ...
Pagina 38
... soda is added ; this precipitates the white lead , which is finished in the usual way . A modified process was described in a later patent . One part of acetic acid of specific gravity 1.045 is mixed with 12 times its weight of water ...
... soda is added ; this precipitates the white lead , which is finished in the usual way . A modified process was described in a later patent . One part of acetic acid of specific gravity 1.045 is mixed with 12 times its weight of water ...
Pagina 39
... soda about the negative electrode . The nitric acid , however , attacks the lead and forms nitrate of lead . The reactions which take place may be represented by the following equations : - + H2O = HNO3 + NaOH 1. Na NO3 2. 2 HNO3 + Pb ...
... soda about the negative electrode . The nitric acid , however , attacks the lead and forms nitrate of lead . The reactions which take place may be represented by the following equations : - + H2O = HNO3 + NaOH 1. Na NO3 2. 2 HNO3 + Pb ...
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