Chamber's Encyclopaedia, Volume 3International Learnings Systems, 1967 |
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Page 155
... metal pouring ; it is useful for accurate , small high - temperature castings . When permanent metal moulds are used , cooling is quicker and chill - castings , or ingots with chill - cast structures , are produced . Die - casting is ...
... metal pouring ; it is useful for accurate , small high - temperature castings . When permanent metal moulds are used , cooling is quicker and chill - castings , or ingots with chill - cast structures , are produced . Die - casting is ...
Page 348
... metals , lithium and sodium , closely resemble those of the ( a ) sub - group ; together they form the alkali - metal family which differs considerably from the copper group although all exhibit univalency ; furthermore , sodium ...
... metals , lithium and sodium , closely resemble those of the ( a ) sub - group ; together they form the alkali - metal family which differs considerably from the copper group although all exhibit univalency ; furthermore , sodium ...
Page 370
... metal determinations , particularly for milligram quantities . Schwarzenbach first demonstrated ( 1945 ) that metal cations would react with a complexing agent , or complexone , such as ethylenediamine tetra - acetic acid ( EDTA ) to ...
... metal determinations , particularly for milligram quantities . Schwarzenbach first demonstrated ( 1945 ) that metal cations would react with a complexing agent , or complexone , such as ethylenediamine tetra - acetic acid ( EDTA ) to ...
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