MULTI-ELEMENT STANDARD 7, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Multi-Element Standard 7 1000 ppm K; 100 ppm Ag, Al, B, Ba, Na; 50 ppm Si Manufactured and Tested in an ISO 17025/Guide 34, Shelf Life (Months): 12, (DOT Regulated: UN3264, Class 8, PGII)