Identification et Dosages des Substances azot6es obtenues par Hydrolyse d'un Acide humique aprhs peracetiqueAb&raet: A humic acid extracted from a peat was easily hydrolysed b y 6N HCl after oxidation with peracetic acid. The proportion of amino-acids in t h e hydrolysate was high (11,7 g of aminoacids per 100 g of humic acid), when t h e proportion of NH3 was relatively low. 17 aminoacids were identified and titrated. On the opposite, a humic acid with the same origin, which was not oxidised with peracetic acid, gave less amino-acids on hydrolysis, but tenfold more NH;, which is probably produced by partial decomposition of the amino-acids.