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Concentrated solutions of phosphate, nitrite, nitrate, silicate and ammonia are available for the preparation of standards.

Nutrient Standard Solutions should be diluted with Low Nutrient Seawater to prepare working standards for the measurement of nutrients in seawater samples, in order to eliminate salt effects.

NSS Concentrations


Nutrient Concentration Product Code
Phosphate 100 µM NSSPO
Nitrite 100 µM NSSNI
Nitrate 1000 µM NSSNA
Silicate 1000 µM NSSSI
Ammonia 10 mM NSSAM

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