*LC Passivation Solution, Methylenediphosphonic Acid (Medronic Acid), 1760µg/mL in Methanol:Water (50:50)

Used to passivate your LC system before your first analysis if you:

(a) are analyzing phosphorylated compounds or other polar molecules known to chelate or interact with metal ions in your LC (e.g., glyphosate);

and also

(b) have stainless steel in your instrument flow path;

and/or also

(c) your LC column hardware is showing activity towards phosphorylated compounds or other polar molecules known to chelate.