Painters' Colours, Oils, and Varnishes: A Practical Manual |
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Pagina 27
If a current of carbonic acid is passed through this solution of basic acetate of
lead , the lead hydroxide it contains is precipitated as a more or less basic
carbonate , thus 3 [ Pb 2 C , H , O , 2 Pb H , 02 ] + 4CO2 2 [ Pb C 0g , Pb H , 02 ]
Basic ...
If a current of carbonic acid is passed through this solution of basic acetate of
lead , the lead hydroxide it contains is precipitated as a more or less basic
carbonate , thus 3 [ Pb 2 C , H , O , 2 Pb H , 02 ] + 4CO2 2 [ Pb C 0g , Pb H , 02 ]
Basic ...
Pagina 33
The process is carried out somewhat in the following manner : -Into a digestor
made of strong iron plate lined with lead , is placed a solution of acetate of
ammonia of not less than 5 per cent . strength and a quantity of litharge which
has been ...
The process is carried out somewhat in the following manner : -Into a digestor
made of strong iron plate lined with lead , is placed a solution of acetate of
ammonia of not less than 5 per cent . strength and a quantity of litharge which
has been ...
Pagina 35
Raising the temperature at which the precipitation takes place appears to lead to
less lead carbonate being formed and to the white lead containing more lead
hydroxide or even lead oxide . Thus , white leads precipitated from solutions of ...
Raising the temperature at which the precipitation takes place appears to lead to
less lead carbonate being formed and to the white lead containing more lead
hydroxide or even lead oxide . Thus , white leads precipitated from solutions of ...
Pagina 37
... less basic carbonate of lead will be obtained . In another vessel 25 lbs . of lead
acetate and 15 lbs . of litharge are digested with 127 gallons of water for 8 to 10
hours , when the product which is obtained is mixed with the precipitate obtained
...
... less basic carbonate of lead will be obtained . In another vessel 25 lbs . of lead
acetate and 15 lbs . of litharge are digested with 127 gallons of water for 8 to 10
hours , when the product which is obtained is mixed with the precipitate obtained
...
Pagina 43
Sometimes this chemical combination between the lead hydroxide and the oil
extends to the lead carbonate and then the white lead loses its opacity and
becomes more or less transparent or horny ; the conditions most favourable to
the ...
Sometimes this chemical combination between the lead hydroxide and the oil
extends to the lead carbonate and then the white lead loses its opacity and
becomes more or less transparent or horny ; the conditions most favourable to
the ...
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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 acid action added alcohol alkaline allowed amount barium barytes base basic becomes blue body boiling brown carbonate carried causes cent chamber chloride chrome clay collected colour combined completely composition consists contain copper covering described dissolved dried drying Engineer filter furnace gallons given gives green grinding ground heat important insoluble iron known lake less light linseed oil liquor manufacture mass material matter means method mill mixed mixture natural obtained ochre operation oxide paint pale passes pigment placed potash PRACTICAL precipitate prepared present properties proportion quantity resin rosin salt sample settle shade soda sodium soluble solution spirit sulphate sulphide sulphur surface taken takes tanks temperature tint tree turpentine ultramarine usually varies variety various varnish washed weight white lead yellow zinc