In determination of nitrates in fertilizers: Konek, Z. Anal. Chem. 97, 416 (1934), C.A. 28, 5779 (1934). The acetate has been proposed as a sensitive reagent for nitric acid.
Purification Methods
Crystallise the pKEst amine from pet ether, Et2O (m 73-74o) or *C6H6 (m 62o). The hydrochloride crystallises from H2O as needles m 239o, and the picrate has m 206o(202o). [Beilstein 12 II 741, 12 IV 3195.]
