INDEPENDENT LABORATORY ANALYSES, SAMPLING & ASSAY

Laboratory and Assay Division of the Company, provides high-quality analytical researches and tests for various ores and concentrates of ferrous and non-ferrous metals, ferroalloys, pig iron, steel, non-ferrous metals and their alloys, fertilizers, coal and coke, chemicals and many other cargoes. Highly qualified company’s personnel performs wide range of services for sampling materials, preparation of samples for the tests, the definition of humidity and other quality characteristics of the goods.
During sampling and samples preparation, our personnel control and state the following aspects:

• sampling technique,
• amount of material in samples,
• composition of the material,
• existence and structure of the pollution,
• humidity and temperature,
• other factors that affect the quality of inspected goods


All of the sampling and sample preparation for further analytical tests are performed by “Stewart Inspection” Independent Laboratory in accordance with the requirements of Russian (GOST, GOST R) and International Standards (ISO, EN, DIN, ASTM) and ensure high accuracy of the results.

Selected and prepared samples of the material are delivered to the laboratory for further investigations in shortest time. Independent Laboratory of “Stewart Inspection” located in St. Petersburg is equipped with modern equipment that insures accuracy and allows to perform wide range of analyzes and tests of various materials.


We have the capability to analyze trace metal and base metals by multi-elemental and ultra trace analysis using AAS, ICP-AES. This cutting edge technology allows precise and speedy analysis as for soil and ore and as for metals of high purity.

The Laboratory is accredited for technical competence and independence in accordance with the Standard ISO / IEC 17025-2009.

The following products are analyzed by “Stewart Inspection” Independent Laboratory:
• solid fuel (coal),
• mineral fertilizers,
• technical sulfur,
• ores and concentrates of non-ferrous and ferrous metals,
• raw material non-ferrous metals,
• catalysts,
• ferroalloys,
• ferrous metals and steel,
• non-ferrous metals and their alloys.

We strive to provide reliable research results promptly. As standard, the results are available within 1-3 days from receipt of samples. If it is impossible to perform complex and profound tests by “Stewart Inspection” Independent Laboratory, the samples will be send to the Laboratory in United kingdom.