Source and manufacture

D. Antibiotics (Lists with major characteristics, sources and manufacturing methods are in, for example, the book of Bailey and Ollis, Biochemical Engineering Fundamentals, McGraw-Hill, New York, 1985). 

Materials. n-Dodecane of 98% or higher purity was obtained from Humphrey-Wilkinson, and n-heptane was Phillips pure grade material. Platinum diamminodinitrite was obtained from J. Bishop and Co. and olefin with a 1-dodecene content of 95%. Some of the catalysts used were obtained from commercial suppliers. Their designation, source, and manufacturer s description are given in Table I. 

Traceability code A code or batch number to enable the source and manufacturing details to be identified. 

With different feedstock and methods of processing it is inevitable fliat there will be some differences between products coming from different feedstock sources and manufacturers. Over the years processes have been refined. Long practice, globalization of technology has occurred and restrictions have been imposed. Today, these differences are small but in some technological processes even these very small differences in solvent quality may require compensating actions. 

Kurashima et al. [170] discuss the application of carbon, nitrogen, and hydrogen isotope values for discriminating ephedrine and pseudoephedrine samples from different sources and manufacturing processes. 

II. SOURCES AND MANUFACTURING A. Animal, Vegetable, and Other Sources... 

Describe Material and Application. This step generates an overview of the physical and chemical properties of the material, sources, and manufacturing processes, and possible uses. The overview includes existing materials that the nanomaterial may replace, and bulk counterparts of the nanomaterial. 

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