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The polarographic determination of aluminium* : The determination of microgram amounts of aluminium in beryllium metal

✍ Scribed by M. Perkins; G.F. Reynolds

Publisher
Elsevier Science
Year
1958
Tongue
English
Weight
730 KB
Volume
18
Category
Article
ISSN
0003-2670

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✦ Synopsis

In part i of this scricsl the polarography of aluminium was discussed in detail and an investigation of the method of WILLARD AND DEAN2

was described. This method is based upon the modification, by aluminium, of the reduction step due to solochrome violet R.S. A study of the interferences of other elements with this method slio~ttd that no intcrfcrcnce was caused by relatively high concentrations ot a number of elements including beryllium. It was therefore decided to use this as a basis for the * Brltlsh Crown Copyrlgllt rescrvcd. Publtvhcd with the permIssion of the Controller of her Britannic Majesty's Stationary Office.

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The majority of methods available for the calorimetric determination of cerium depcnd on the oxidising properties or colour of ceric solutions. Ccrous ion can be oxidiscd by persulphate in hot acidic solution in the presence of catalytic amounts of silver ion. The yellow colour of the resulting ceri