LLC “Institute Gipronikel”, Saint Petersburg, Russia:

A. N. Glazatov, Leading Researcher of Pyrometallurgy Laboratory, e-mail: angla@nikel.spb.su
L. Sh. Tsemekhman, Chief Executive Officer Councellor

Russian concentration and metallurgical enterprises can not be developed without using high-efficient technologies and their strict observance. Nowadays, enterprises carry out the processing of considerable amounts of non-traditional and often low-grade raw materials, anthropogenic types of raw materials, cumulated for many years, wastes of secondary non-ferrous metals, etc. Reliability of obtained sampling result is especially important in determination of weight content of valuable components, including non-ferrous and precious metals in raw materials and its processing products. During the improvement of existing material sampling methods and development of new ones, various experiment methods are applied together with modern methods of material composition researches (scanning electronic microscopy and X-ray spectral microanalysis, the whole spectrum of existing mathematical apparatus for obtained experimental data processing). These methods take into account a great number of various factors, typical for certain production. Besides physical and chemical properties of sampled material, these factors include various types of equipment, applied for sampling and sample preparation. Institute “Gipronikel” has a considerable experience of development and certification of methods of various material sampling in Rostekhregulirovaniye (Rosstandart since 2010). Together with concentration and metallurgical enterprises, the Institute has developed the sampling methods, which urgent aspects are considered in this article on example of overflows and lump copper-nickel converter matte.

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