Shelf life of solutions for AA analysis on HPLC

Can anyone advise if the following shelf life are correct?  mobile phase A (anhydrous Na2HPO4 and of Na2B4O7 water solution (1day?)) Mobile phase B (acetonitrile: methanol: HPLC grade water at a ratio of 45;45:10 v:v:v (7days?)) Injection diluent DIL, OPA, FMOC (7-10days?) borate buffer (3days) thanks

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