Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
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... containing TIN , COPPER , LEAD and ANTIMONY BRITISH STANDARDISED STEEL SAMPLES ISSUED JOINTLY BY THE IRON AND STEEL INSTITUTE AND THE NATIONAL PHYSICAL LABORATORY These Samples are now available , together with certificate of ...
... containing TIN , COPPER , LEAD and ANTIMONY BRITISH STANDARDISED STEEL SAMPLES ISSUED JOINTLY BY THE IRON AND STEEL INSTITUTE AND THE NATIONAL PHYSICAL LABORATORY These Samples are now available , together with certificate of ...
Strona 1
... containing no more than such a trace as does not matter . The neck and stopper must be ground so as to make a perfectly air - tight joint . If a bottle does not fulfil these require- ments , it is not suitable for containing chemical re ...
... containing no more than such a trace as does not matter . The neck and stopper must be ground so as to make a perfectly air - tight joint . If a bottle does not fulfil these require- ments , it is not suitable for containing chemical re ...
Strona 14
... containing pumice saturated with strong sulphuric acid . It is then passed through a tube of calcium chloride or phosphoric anhydride into a tube electrically heated to about 200 ° C. contain- ing palladiumised asbestos . Here it com ...
... containing pumice saturated with strong sulphuric acid . It is then passed through a tube of calcium chloride or phosphoric anhydride into a tube electrically heated to about 200 ° C. contain- ing palladiumised asbestos . Here it com ...
Strona 15
... containing 50 grammes . They may be obtained post free , by sending order with remittance , direct from : - LABORATORY THE NATIONAL PHYSICAL ( Metallurgy Dept. , ) Teddington , Middlesex . Or by post or personal application from : - Dr ...
... containing 50 grammes . They may be obtained post free , by sending order with remittance , direct from : - LABORATORY THE NATIONAL PHYSICAL ( Metallurgy Dept. , ) Teddington , Middlesex . Or by post or personal application from : - Dr ...
Strona 29
... containing minerals ( which , it is obvious , contain the other metallic earths associated with yttria ) are mostly of such a form as to appear like complex salts . The silicate minerals are the most important , the basic orthosilicate ...
... containing minerals ( which , it is obvious , contain the other metallic earths associated with yttria ) are mostly of such a form as to appear like complex salts . The silicate minerals are the most important , the basic orthosilicate ...
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acid action added amount ANALYTICAL BALANCE appears application atoms British carbon carried cent Chem Chemical Chemistry chloride colloidal colour complete compounds considerable containing Continued course crystals described determined direct effect elements Engineers experiments fact further give given glucose heat important increase industry Institute interest iron LABORATORY lead less light liquid London manufacture March material matter means meeting ment metal method nature observed obtained organic oxide passed Patents plant position possible potassium practically precipitate prepared present Price Prof published pure quantities reaction referred regard salt Science separation shown Society sodium solution specific steel structure substance sulphuric temperature tion Trade tube University various volume weight