Chromium(VI) 10,000 ppm PrimAg-lite element reference concentrate (HCl matrix)

Tellurium 1000 ppm PrimAg-lite element reference solution

Mercury 100 ppm PrimAg-lite element reference solution (mercury(II) chloride/HCl matrix)

Silicon 10,000 ppm PrimAg-xtra element reference concentrate (HF matrix)