DOI: 10.1016/s0003-2670(00)88444-5Get up to 30% off our standard price for selected sequencing services covering sample extraction, library preparation, sequencing, and bioinformatic analysis.
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A modified single solution method for the determination of phosphate in natural waters
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Abstract A single solution reagent is described for the determination of phosphorus in sea water. It consists of an acidified solution of ammonium molybdate containing ascorbic acid and a small amount of antimony. This reagent reacts rapidly with phosphate ion yielding a blue-purple compound which contains antimony and phosphorus in a 1:1 atomic ratio. The complex is very stable and obeys Beer's law up to a phosphate concentration of at least 2 μg/ml.The sensitivity of the procedure is comparable with that of the stannous chloride method. The salt error is less than 1 %.