MULTI-ELEMENT STANDARD, MEMORY, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Multi-Element Standard, Memory Test 21 1000 ppm: Al, Ca, Fe, K, Mg, Na; 20 ppm Ag, As, Ba, Be, Cd, Co, Cr, Cu, Mn,Ni, Pb, Se, Tl, V, Zn M, Shelf Life (Months): 6