INVESTIGATION OF THE OIL-EMULSIFYING AND OIL-DISPERSING PROPERTIES OF QUATERNARY AMMONIUM SALTS FORMED FROM TRIETHANOLAMINE WITH HEXADECANOIC AND HEPTADECANOIC ACIDS, AND THEIR APPLICATION AS ANALYTICAL REAGENTS
Ali Z. Zalov, Asya F. Shahverdiyeva, Nazani A. Novurzova, Shahla A. Ibrahimova