This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.

Arsenic standard may be used as a reference standard in high performance liquid chromatography inductively coupled plasma mass spectrometry (HPLC-ICP-MS) for the quantification of total arsenic concentration in seafood. It has been used as a certified reference material in the quantification of the analyte in raw materials and oil samples of bigeye tuna using inductively coupled plasma technique combined with optical emission spectroscopy (ICP-OES).

1 g/L As in 2% nitric acid, prepared with high purity As2O3, HNO3, and water.