MULTI-ELEMENT STANDARD 7, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Multi-Element Standard 7 100 ppm: Hf, Ir, Sb, Sn, Ta, Tl, Zr Manufactured and Tested in an ISO 17025/Guide 34 Facility, Shelf Life (Months): 12, (DOT Regulated: UN3264, Class 8, PGIII)