$210.42

Niobium ICP Standard, 10,000 ppm Nb in H?O/tr HF - PNB10KW-100

$218.26

Niobium ICP Standard, 1000 ppm Nb in 3% HNO? - PNB1KN-500

$49.29

Niobium AA Standard, 1000 ppm Nb in H?O/tr HF - ANB1KW-100

$113.39

Niobium AA Standard, 1000 ppm Nb in H?O/tr HF - ANB1KW-500

$365.25

Niobium ICP Standard, 10,000 ppm Nb in 5% HNO? - PNB10KN-500

$130.13

VeriSpec Niobium Standard for ICP 1000 ppm in 5% HNO?/HF Guide 34 Accredited Facility - RV010296-100N

$233.41

VeriSpec Niobium Standard for ICP 1000 ppm in 5% HNO?/HF Guide 34 Accredited Facility - RV010296-250N

$160.11

VeriSpec Niobium Standard for ICP/MS 100 ppm in 2% HNO?/HF Guide 34 Accredited Facility - RV010537-100N