GLC Reference standard 674, 100mg Back Catalog number: GLC-674 Availability: In the manufacturer's stock Price on request - + Recommended 3435.10-100-CY Mecoprop Price on request 52091 Trace Metals Kit Price on request 56424 Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml Price on request