NaH2PO4; Na2HPO4; H2O in water; benzene NaH2PO4, Na2HPO4, and PhHg(1+) solns. dild. with deionized water, 8-quinolinol soln. in C6H6 added, shaken for 30 min; org. layer analyzed by means of spectrophotometry;

acetone byproducts: NaOH, H3BO3;