Coal certified reference standards
Coal certified reference standards prepared according to ISO 17034.
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Metal certified reference standards
We have a wide selection of steel standards with carbon and sulfur certification. Carbon ranges from 0.0057% to 2.410%, and sulfur ranges from 0.0004% (4 ppm) to 0.387%. These standards are available in various forms: 1 and 0.5 g pin and 1 g rings. We can offer them as a powder or chips as well.
Activity of USL Sp. z o.o.
We are the general distributor of Alpha Resources LLC. in Poland. We sell consumables and reagents for elemental analyzers of LECO®, ELTRA®, Elementar®, Bruker®, HORIBA®, Gerhardt® and VELP®. We have analytical standards and certified reference materials (CRM) in the offer. We can support you with metal standars: stainless steel iron wrought iron cast iron titanium
