Multi-Element Calibration Standard-2A

4,7,10,13,16,19-Docosahexaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6217-54-5

ISO 18857-1 4-n-Nonylphenol solution, Calibration standard

PSA-CaCl2Mix 6