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Alex Stewart International Accredited To ISO Standards

Press Release: October 29, 2017

Alex Stewart International is delighted to announce to the industry that its head office and principal laboratories in Liverpool, England, United Kingdom – AS International Corporation Ltd - has been accredited by the United Kingdom Accreditation Service - UKAS - to ISO 17025 Standards.

The methods which have been accredited are as follows:

• Determination of Silver (Ag) in Copper Concentrates by Acid digestion
• Determination of Cobalt (Co) in Cobalt Hydroxides and Carbonates
• Determination of Cobalt (Co), Copper (Cu), Manganese (Mn) and Nickel (Ni) in Concentrates
• Determination of Copper (Cu) in Concentrates Minerals and Ores by Electrolytic Deposition
• Determination of Copper (Cu) in Concentrates, Minerals and Ores by Potentiometric Titration

Our experienced laboratory technicians and chemists are highly trained to carry out qualitative and quantitative metal testing and analysis by traditional and modern instrumentation and by following internationally recognized methods and procedures for base metal ores and concentrates. These include copper, lead, zinc, tin, iron, ferro alloys, cobalt, nickel, manganese and also precious metals such as gold, silver and platinum group metals. This is in order to ensure that our customers’ contractual specifications are protected by providing fast and accurate results.

Other ISO-certified Alex Stewart International laboratories include Alex Stewart Agriculture Ltd (UK), Alex Stewart International Argentina S.A., Alex Stewart Assayers del Peru, Alex Stewart International Chile, Alex Stewart Environmental Laboratory Services Norway, Alex Stewart Agriculture do Brasil, Alex Stewart Agriculture China, Alex Stewart International Dubai, Alex Stewart International Ukraine, Alex Stewart International India, Alex Stewart International Rwanda and Alex Stewart International Zambia.

Alex Stewart Agriculture is a UKAS ISO/IEC 17025: 2005 accredited company providing world class FOSFA, GAFTA and UKAS-approved inspection and analysis services. It is supported by the A. Norman Tate, Huson and Hardwick and Food Test Laboratories for the facilitation of the international trading of soft commodities including animal feed, oilseeds, oils & fats, biomass, grains and cereals, fertilizers, raw and refined sugar, water, and also food products.

Alex Stewart International and Alex Stewart Agriculture are fully committed to providing a world-class reliable laboratory analysis service to all of our customers.

For more information about our Inspection and Analysis services, please take a look at our websites and company video listed below:


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