Quality Control Standard 3 is a certified reference material traceable to NIST and manufactured in accordance with stringent quality assurance guidelines. One year expiration date. COA and MSDS are included. Suitable for use with EPA 200.8 Rev. 4.4 and 5.4.
Contains 50ug/mL Se and the following elements each at 10ug/mL: Al, Sb, As, Be, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Ag, Na, Tl, Th, U, V, Zn, Ba, stabilized in 7% v/v nitric acid. 125 mL bottle.