Table 12. Mean analytical difference (delta TALK) between analyzed and certified TALK for each section during Indian Ocean CO₂ survey

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   Batch    Section   Certified TALK    MATS mean TALK     S.D. (n)    delta TALK
                        (µmol/kg)          (µmol/kg)      (µmol/kg)    (MATS-CRM)
                                                                        (µmol/kg)
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    23      I8SI9S        2212.7            2221.5         5.1 (49)        8.8
    23      I9N           2212.7            2216.2         3.3 (138)       3.5
    23      I8NI5E        2212.7            2211.6         4.9 (80)       -1.1
    23      I3            2212.7            2215.4         1.4 (65)        2.7
    26      I3            2176.6            2178.0         1.2 (30)        1.4
    26      I5WI4         2176.6            2182.6         3.8 (79)        6.0
    26      I7N           2176.6            2184.0         5.7 (59)        7.4
    27      I7N           2214.9            2221.5         3.1 (8)         6.6
    23      I7N           2212.7            2222.4         7.4 (10)        9.7
    27      I1            2214.9            2219.4         3.9 (244)       4.5
    27      I10           2214.9            2212.9         4.0 (62)       -2.0
    27      I2            2214.9            2219.4         4.5 (67)        4.5
     n                                                     891             12
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