FIELD: analytical methods. SUBSTANCE: determining composition of fluorographite matrix C2Fx (1,0 ≥ x ≥ 0,5) is accomplished by interaction of matrix with volatile solvent (acetonitrile or chloroform) to form inclusion compound which is then heated. Phase transfer is determined and composition of matrix is calculated from formula x = a t2 + bt + c where t is temperature of reversible phase transfer and a, b, and c are coefficients of quadratic function. EFFECT: facilitated procedure. 2 cl
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