Automated Seawater pH Analyzer

High-Precision Rapid Measurement

Fully automated integrated syringe-pump design with automatic correction for temperature and salinity, enabling high-precision spectrophotometric pH determination on-site.

Li, Hangqian · Wang, Shu · Zheng, Shulu · Fang, Tengyue · Shu, Huilin · Xu, Yi · Guo, Xianghui · Achterberg, Eric P. · Zhan, Liyang · Ma, Jian

Talanta 2024

Specifications

长期分析频率
2 h⁻¹

Advantages

Precision better than ±0.001

Measurement frequency 3.5 min/sample

Meets the 'climate' goal of the Global Ocean Acidification Observing Network (uncertainty ±0.003)