Calibration Standard 2 for EPA 200.7 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.
Contains Li 500ug/mL, Mo, Na, Ti 1000ug/mL each, K 2000ug/mL, stabilized in 5% v/v hydrochloric acid/trace hydrofluoric acid. 125 mL bottle.