Cr, for AAS, in HCl

Single element, atomic absorption standard, NIST traceable, 1000 ppm. Expiry dates - up to 21 months unopened and 15 months opened.

Matrix: 4% HCl

140-002-241 - Cr standard, 1000 ppm, 125 ml

140-002-245 - Cr standard, 1000 ppm, 500 ml