Trace elemet standard

Trace elements standard stock 1 / 10 ppm

	Standard stock for trace element analysis on ICP
1 ppm	Ag, Al, Ba, Bi, Cd, Co, Cr, Cu, Ga, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Rb, Sr, Te, Tl, U, V
1 ppm	Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sm, Sc, Tb, Th, Tm, Y, Yb
10 ppm	As, B, Be, Fe, Se, Zn
100 ppm	Ca

standard stock recipe	Merck 6	REE standard	HNO3 65% suprapure	pure water	total
amount	5 mL	1 mL	1 mL	43 mL	50 mL

work standards	standard stock	HNO3 65% suprapure	pure water	total
20/200 ppb	10 mL	5 mL	485 mL	500 mL
10/100 ppb	5 mL	5 mL	490 mL	500 mL
5/50 ppb	2.5 mL	5 mL	492.5 mL	500 mL
2/20 ppb	1 mL	5 mL	494 mL	500 mL
1/10 ppb	0.5 mL	5 mL	494.5 mL	500 mL

other Standards	Merck 6 , Merck 4, Kraft ME, REE-Standard

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