INSTRUMENT CALIBRATION STANDAR, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Instrument Calibration Standard 5 100 ppm As, Tl; 50 ppm Cd, Se; 30 ppm Pb Manufactured and Tested in an ISO 17025/Guide 34 Facility, Shelf Life (Months): 6, (DOT Regulated: UN3264, Class 8, PGII)