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Analysis of Rubber and Rubber-like Polymers (Paperback, 4th ed. 1998)
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Analysis of Rubber and Rubber-like Polymers (Paperback, 4th ed. 1998)
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The first edition of this book (1958) described an analytical
situation which had existed for a number of years for maintaining
quality control on vulcanizates of natural rubber although the
situation had recently been disturbed by the introduction of a
range of synthetic rubbers which required identification and
quantitative estimation. For the former purpose 'wet' chemistry,
based on various imperfectly understood organic reactions, was
pressed into service. Alongside this was the first introduction of
instrumental analysis, using the infrared spectra of either the
polymers or, more usually, their pyrolytic products to
'fingerprint' the material. The identification of a range of
organic accelerators, antioxidants and their derivatives which had
been intro duced during the 1920s and 30s was, in the first
edition, dealt with by a combination of column chromatography and
infrared spectroscopy or by paper chromatography. Quantitative
procedures were, however, still classical in the tradition of
gravimetric or volumetric assays with an initially weighed sample
yielding, after chemical manipulation, a carefully precipitated,
dried and weighed end product, or a solution of known composition
whose weight or titre, as a percentage of the initial sample,
quantified the function being determined. The second edition of
this work (1968) consolidated the newer techni ques which had been
introduced in the first without adding to them although, in other
applications of analytical chemistry, instrumental analysis had
already brought about a transformation in laboratory practice."
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