Underway analysis of nanomolar dissolved reactive phosphorus in oligotrophic seawater with automated on-line solid phase extraction and spectrophotometric system
On-line solid phase extraction of phosphomolybdenum blue without common interference. Automated flow analyzer with laboratory-made hardware and software. 2-week continuous underway determination of nanomolar phosphate in the South China Sea. Accurate and high resolution field seawater analysis with occasional maintenance.