Abstract
MULTIPLICITY of standard processes has been avoided by the whole-hearted adoption by the National Benzole Association of those portions of the “Standard Methods for Testing Tar and its Products” (see NATURE, April 26, p. 631) appropriate to the examination of benzene, toluene, xylene, and naphtha. In addition, there are given for various commercial grades of these materials, fourteen specifications, applicable only when the particular methods described are used. Allowance is made for the addition of any further specifications or methods that may be made from time to time.
The National Benzole Association. Standard Specifications for Benzole and Allied Products, 1929.
Pp. xiii + 145. (London: National Benzole Association, 1929.) 6s. net.
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E., B. The National Benzole Association. Standard Specifications for Benzole and Allied Products, 1929 . Nature 125, 740 (1930). https://doi.org/10.1038/125740d0
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DOI: https://doi.org/10.1038/125740d0