1.
Braz. j. med. biol. res
;
22(1): 29-30, 1989. ilus
Article
in English
| LILACS
| ID: lil-67469
ABSTRACT
The determination of azida groups introduced into Dacron cannot be established by the method based on the Fe + -N3 complex because the therephthalic groups present in the polymer also react with Fe + to form a product with absorbance at 458 nm