Quality control of products

Quality control of product, both as the surfactant itself and in the surfactant-containing formulation... 

X-ray fluorescence can be used to analyse all types of samples. Its applications are numerous, whether in research and development or in quality control of production. Initially, X-ray fluorescence was used in industries that treat metals of primary fusion or alloys and, more generally, in the mineral industry (for use one ceramics, cements, steel, glass, etc.). Because of the ease of use of common X-ray fluorescence instruments, its scope of application has expanded into other areas the photographic industry and semi-conductors (for impurity control in silicon chips), the petroleum industry, geology, paper mills, gas analyses (such as nitrogen), toxicology and environmental applications (dust, fumes from combustion, heavy metals, and dangerous materials in waste such as Pb, As, Cr, Cd, etc.). 

Drugs and Pharmaceuticals (see Chapter 12). Not only is GC used in the quality control of products of this field, but it has been applied to the analysis of new products as well as the monitoring of metabolites in biological systems. 

It is often desired to have a device for a quality control of products with regard to emissions arising during the utilization phase. To enable action to be taken... 

In general the quality control procedures for products obtained through biotechnology are very similar to those routinely used with traditional pharmaceutical products in areas such as raw material testing, documentation of process control, and aseptic processing. The fundamental difference is in the type of methods used, so as to determine the product s identity, uniformity, and purity. In the quality control of products obtained through recombinant DNA technology, it is necessary to employ validated tests for the final and intermediary products to ensure the elimination of undesirable impurities. 

Chemical control is the most widely practised method for vector and pest control in the Region. However, appropriate pesticide use is hampered, inter alia, by the lack of capacity, coordinated mechanisms and funding for the registration, purchase, application and quality control of products absence of effective systems for monitoring use and lack of implementation of existing rules and regulations. 

Quality control of production has, for many years, been a major concern of catalyst manufacturers. Some methods, such as texture analysis of solids and elemental analysis, have been established for a long time. Others, such as X-ray absorption spectroscopy, are more recent. Analysis techniques as a whole, however, have been subject to methodological research enabling the scope and level of interpretation of results to be developed. Recent decades have in particular seen numerous analysis techniques based on the use of radiation and particle beams applied to industrial catalysts. In view of the increasing number of possibilities for analysing this type of solid in detail, we considered it useful to give an up-to-date assessment of the type of information that each technique can offer. 

Groves, M.J. Parenteral Products The Preparation and Quality Control of Products for Injection, William Heinemann Medical Books, Ltd. London, 1962. 

Amino acid analysis is widely applied in research, clinical facilities, and industry. It is a fundamental technique in biotechnology, used to determine the concentration of peptide solutions, to confirm protein binding in antibody conjugates, and for end-terminal analysis following enzymatic digestion. Clinical applications include diagnosing metabolic disorders in newborns. In industry, it is used for quality control of products ranging from animal feed to infant formula. 

However, all industries need a rapid small-scale laboratory test method for contiuous quality control of products, because such control must be conducted during the manufacturing process before... 

All written procedures, instructions and records involved in the manufacture and quality control of products. 

The common thread throughout the book is the movement of heat and moisture as well as the movement and handling of products. Also included are instrumentation, sensors, and controls that are important for quality control of products and efficiency of operation. The emphasis on the design of equipment to expedite these processes in an economical manner is appropriate and useful. 

---