Table 9. The mean TCO2 and the mean analytical difference (TCO2 = 006 - 004) for TCO2 from CRM and water samples analyzed on both systems (004 and 006) during WOCE Section P6.

Comparison Mean
System 004 TCO2
µmol/kg (n)
System 006 TC02
µmol/kg (n)
δTCO2 (006-004)
µmol/kg
CRM (Batch 10) 1960.63 (59) 1960.24 (73) -0.39
CRM (Batch 11) 2188.76 (75) 2188.84 (85) +0.08
Water samples 2171.58 (37) 2170.97 (37) -0.61

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