The micro-determination of glycine in protein hydrolysates

The Isolation and Synthesis of the Naturally Occurring a-Amino Acids.

“…2, 48). It also forms an insoluble salt with calcium picrate NH2CH2COOH • [C6H2 (N02)sO] Ca • 2H20 (124) and with nitranilic acid (2,5-dihydroxy-3,6-dinitro-p-benzoquinone) (313). Inorganic ions, ammonia, and basic amino acids also form insoluble nitranilates (313; cf.…”