Niobium (Nb) Back Catalog number: 57041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95280 PAH IS/S Standard, 4000µg/ml in MeChl., 1ml Price on request X9214 Appendix IX Compound, 100ug/mL in methanol Price on request 58156 Barium (Ba) Price on request