Zinc isotope *6 (Zn *6) with the natural content,% *7.*0% and
Isotopic purity of not less than *9.*5%. All necessary documents
and certificates we have both in Russian and in English. The
Certificates are given by GIREDMET testing analytical center. Also
we have assessment which is made by IGAS GmbH (Germany). The low
price is due to very urgent needs.