Description General description This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 (ISO Guide 34). This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST or BAM. Certified content incl. uncertainty and expiry date are given on the label. Information about trace impurities are stated on the certificate. Download your certificate at: http://www.sigma-aldrich.com. Application Antimony standard may be used in the specific determination of organic and inorganic antimony compounds in airborne particulate matter using high performance liquid chromatography(HPLC) with inductively coupled plasma-mass spectrometry(ICP-MS). Analysis Note 1000 mg/L Sb in 2% nitric acid (contains HF traces), prepared with high purity Sb metal, HNO3, HF and water Other Notes For a complete product listing of our TraceCERT range of CRMs for ICP and AAS, technical information and example certificates please visit our inorganic TraceCERT website Legal Information TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC