QC STANDARD 7A, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec QC Standard 7A 1000 ppm K, 500 ppm Si; 100 ppm Al, B, Ba, Na Manufactured and Tested in an ISO 17025/Guide 34 Fac, Shelf Life (Months): 12, (DOT Regulated: UN3264, Class 8, PGII)