Mg/Ca determinations on pairs of duplicate samples from IODP Site 339-U1385

Mg/Ca determinations on 47 sets of replicate analyses (including four triplicates) measured on multiple aliquots of the same sample, from IODP Site 339-U1385. Mg/Ca determinations on these duplicate samples provide a pooled standard deviation of 0.09 mmol mol-1 with an overall mean precision of 8.2% r.s.d..