Initial Check Verif. Standard 4, in 4%HNO3, 100ml Back Catalog number: ICV-4-100 Availability: In the manufacturer's stock Price on request - + Recommended S-13173A1-1ML Quinoxyfen, 100μg/ml in Acetonitrile, 1ml Price on request 81212 EPA Method 8121 Analytes, 1000µg/ml in HE:TO [1:1], 1ml Price on request 3400.10-100-CY Fenoprop methyl ester Price on request