P08S

• Nitrate (JAMSTEC)
• Phosphate (JAMSTEC)
• Silicate (JAMSTEC)
• Oxygen (JAMSTEC)
• TCO₂ (CRIEPI - Shitashima) - No adjustment recommended.
• Crossovers - No Information
• Precision of Duplicate Measurements - No Information.
• CRM Results - Shipboard measurements yielded a mean value of 1995.6 ± 2.8 µmol/kg (n=40), which compares with 1997.6 ± 1.4 µmol/kg (n=9) certified by SIO.
• Multiparameter Analysis (details) - Mean Difference (estimated - measured) = 8.4 ± 2.2
• Keeling Replicates- No information.
• Alkalinity (CRIEPI - Shitashima) - Adjustment of +6 µmol/kg recommended.
• Crossovers - No information.
• Precision of Duplicate Measurements - No information.
• Multiparameter Analysis (details) - Mean Difference (estimated - measured) = 5.6 ± 4
• Internal Consistency Analysis (details) - Measured Alkalinity - calculated (pH&TCO₂) = -1.9 ± 6.9
• fCO₂ (Not Measured)
• pH (CRIEPI - Shitashima) - No adjustment recommended. (Note: potentiometric measurements reported as pH @ 25°C on SWS scale.)
• Crossovers - No information.
• Precision of Duplicate Measurements - No information.