S @ 50; Ce, Cu, Eu, Fe, In, K, Ni, P, Si, Ti, V, Y, Zr @ 10; Mn, Mo, Na, Sc @ 5; Be, Li, Sr @ 2; Ca @ 1 µg/mL in 2% HNO3 / 2% HCl, 250ml Spectro equivalent USA00888, 250ml