Patent holder (s):
PJSC “State Research and Design Institute of Rare-Metal Industry “Giredmet”
O.A. Shiryaeva, Y.A. Karpov, N.V. Ivannikova, A.N. Pochtaryov
The invention relates to analytical chemistry area. The process includes sample thermal treatment at temperature of 750-800 С with mercury transfer to vapor phase, transmission of generated mercury-contained vapor through membrane made from gold metal paper and detection of mercury in vapor phase by flameless atomic absorption method. Technological effect is increasing of expressing and accuracy of mercury detection in solid gold matrix. 2 claims, 1 table.