$449.49

VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-100N

$428.28

VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-250N

$1,189.94

VeriSpec Multi-Element Standard 30 1000 ppm Ca; 100 ppm As, B, Be, Fe, Se, Zn; 10 ppm Ag, Al, Ba, Bi, Cd, Co, Cr, Cu, Ga, K, Li, Mg, Mn - RV010713-100N

$384.10

VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010803-100N

$866.85

VeriSpec Multi-Element Standard 26 100 ppm K; 20 ppm Al, As, Na, Pb, Se, Te; 10 ppm: Ca, P; 5 ppm Hg, Ni; 2 ppm B, Ba, Cd, Cr, Cu, Fe, - RV010729-100N

$762.86

VeriSpec Multi-Element Standard 8 50 ppm K; 10 ppm La, Li, Mn, Na, Sr; 1 ppm Ba, Ca 34 - RV010722-500N

$991.59

VeriSpec Multi-Element Standard 24 100 ppm Al, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Ga, K, Li, Mg, Mn, Na, Ni, Pb, Se, Sr, Te, Tl, Zn - RV010714-100N