Microcystin-RR (Analytical Standard)

As indicated on product label or CoA when stored as recommended. Preparation of stock solution: Thaw vial. Centrifuge vial for maximum product recovery. Use a syringe, draw the desired solvent (suggested solvent is 80% methanol) . Make sure that no bubbles are drawn. Inject 1.0ml of desired solvent into the septum to obtain an concentration of 10μg/ml. Make sure that all the solvent has been injected prior to removing the syringe. Gently swirl the vial to get toxin into solution. If required, gently tap the bottom of the vial. Material is ready for analysis. Stock solutions are stable for up to 6 months when stored at -20°C. Unstable at pH >7.7.