Wine dating methods based on anthropogenic C and Cs, as well as on the cosmogenic C were studied with the aim to improve the accuracy and precision of the dating results. While the C dating method has proved to be useful for dating young and old wines, the Cs has been effective for dating of wines originating around the Cs bomb-peak observed in 1963. A new method was developed for simultaneous C and Cs dating of wines, which helped to distinguish wines originating before or after the bomb peak. The δC values also helped to solve the C age ambiguity in dating of wines around the C bomb peak. While the C dating method is always destructive one, the Cs method may use a radiochemical separation of cesium from wine samples when better precision of results is required, but it can be also a nondestructive one with direct gamma-spectrometry of wine samples, especially those that are very rare.
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