# 1795: PAS (Page’s amoeba saline) ## Main Solution 1795 5 ml **PAS Stock Solution 1** 5 ml **PAS Stock Solution 2** 1. Make up to 1000 ml with MilliQ water. 2. Autoclave at 121 °C for 20 min. ## PAS Stock Solution 1 12 g NaCl 0.4 g MgSO4 x 7 H2O 0.4 g CaCl2 x 2 H2O ## PAS Stock Solution 2 14.2 g Na2HPO4 (anhydrous) 13.6 g KH2PO4 (anhydrous)