# 460: NITROGEN-FREE MEDIUM FOR PSEUDOMONAS STUTZERI ## Main sol. 460 0.5 g K2HPO4 0.2 g MgSO4 x 7 H2O 0.1 g NaCl 0.2 g Yeast extract 15 mg FeCl3 x 6 H2O 6.6 g DL-Na-malate 1000 ml Distilled water 1. Adjust pH to 7.0.