23 Elements 5% nitric acid solution with trace of HF.

23 Elements 100 mg/L : As, Be, Ca, Cd, Co, Cr, Cu, Fe, Li, Mg, Mn, Mo, Ni, P, Pb, Sb, Se, Sn, Sr, Ti, Tl, V, Zn

Traceable to SRM from NIST, manufactured and tested in ISO Guide 34/ ISO17025 accredited facilities.

Supplied with certificate of analysis, tested in ISO Guide 34 /ISO17025 accredited laboratory.