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The analysis of external deposits from boilers part I. General remarks on the nature of boiler deposits and their examination

✍ Scribed by Crossley, H. E. ;Edwards, A. H.

Publisher
Wiley (John Wiley & Sons)
Year
1946
Weight
596 KB
Volume
65
Category
Article
ISSN
0368-4075

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✦ Synopsis

Abstract

A description is given of the nature of external boiler deposits and of the methods used for examination. Special considerations attach to the collection of deposits from boilers if a maximum of information regarding their formation is to be obtained. The analytical difficulties arising from the presence of such radicals and elements as sulphate, phosphate, arsenic and boron (which may interfere with the normal procedure) are discussed, and methods for avoiding these difficulties are suggested. A rapid method is given for the determination, us mixed sulphates, of sodium and potassium in the water soluble fraction of a deposit.

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The analysis of external deposits from boilers. part II. Method in use at british coal utilisation research association for the analysis of external boiler deposits rich in phosphates
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## Abstract The methods in use at B.C.U.R.A. for the analysis of external boiler deposits rich in phosphates are described. A special procedure is recommended where the phosphate concentration (as P~2~O~2~) exceeds 6%, sulphates also being present. It is recommended that a known excess of ferric su

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## Abstract Methods in use at. B.C.U.R.A. for the analysis of the water‐soluble fraction of boiler deposits arc described. A method is given for the extraction of the water‐soluble fraction of an external boiler deposit. The scheme of analysis outlined separates the solution of the water‐soluble fr