The cleaning of burned and contaminated archaeological maize prior to 87Sr/86Sr analysis

Abstract

Accurate trace-metal and strontium-isotope analyses of archaeological corn cobs require that metal contaminants be removed prior to chemical analysis. Archaeological cobs are often coated with construction debris, dust, or soilwhich containsmineral particles. In addition,most archaeological cobs are partially or completely burned and the burned parts… (More)

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