Certified reference material (CRM): reference material, accompanied by a certificate, Tin-lead solder . Polycyclic aromatic hydrocarbons in soil .

The accuracy of the analytical method used for heavy metals was checked by analysis of standard reference materials, rye grass (CRM 281) and spinach leaf (SRM 

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MilliporeSigma. This certified reference material (CRM) is produced and certified in accordance with ISO Guide 34: and ISO/IEC 17025:2005. Values of analytes vary lot to lot. packaging:

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Material Details SRM 2587 - Trace Elements in Soil Containing Lead from Paint (Nominal Mass Fraction of 3000 mg/kg Lead) Lead, Soils, Sediments, and Sludges, arsenic, cadmium, chromium - Certificate - MSDS - Table Add Material to Cart

Concentrations of pseudo-total Cd, Ni, and Pb were exceeded the international trigger action values and governed mainly by soil organic carbon (SOC), cation 

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Our Supelco ® family of CRMs are manufactured and tested under ISO 17034 and ISO/IEC 17025 double accreditation, the highest quality system achievement for reference material producers. We also distribute CRMs from internationally recognized producers such as Cerilliant, IRMM, Paragon Scientific and Whitehouse Scientific. Our products include:

Two certified materials of elements in dust (NIST 2583) and one in soil (CRM SS1, product by ScP Science, Courtaboeuf, France) were used to