Description

Solution A of EPA 200.7 Cal Std 1 in 2% HNO3; Al: 1000, Ca: 1000, Cr: 500, Mg: 1000, Ni: 500, K: 1000, Na: 1000, Zn: 500                                                                                             1 Year Expiry Date
This standard is traceable to NIST and certified 17025.