Nutrient analysis in estuarine water. Effect of salinity

The continous flow autoanalyzer is an instrument commonly used for nutrient analysis in coastal laboratories and oceanographic vessels. The determination of micronutrient concentrations (ammonium, nitrites, nitrates, silicates and phosphates) makes it necessary to evaluate precisely how variables ca...

Descripción completa

Detalles Bibliográficos
Autores: Arjonilla, M, Blasco, J
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2003
País:México
Institución:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
Repositorio:Ciencias Marinas
Idioma:inglés
OAI Identifier:oai:cienciasmarinas.com.mx:article/177
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/177
Access Level:acceso abierto
Palabra clave:ammonium
nitrites
phosphates
silicates
salinity
autoanalyzer
amonio
nitritos
fosfatos
silicatos
salinidad
autoanalizador
Descripción
Sumario:The continous flow autoanalyzer is an instrument commonly used for nutrient analysis in coastal laboratories and oceanographic vessels. The determination of micronutrient concentrations (ammonium, nitrites, nitrates, silicates and phosphates) makes it necessary to evaluate precisely how variables can affect this measure. In this sense, salinity is a parameter which must be considered, due to its wide range of variation (0–36) in estuarine ecosystems. In this work, the effect of salinity on nutrient (ammonium, nitrites, silicates and phosphates) determination is analyzed. The results show that salinity does not affect the measure of nitrites and phosphates, whereas ammonium and silicates are affected. Practical considerations of nutrient measurement with samples of different salinities are pointed out.