NanoMolar Phosphate Assay Kit Catalog number  NPA1000   The NanoMolar Phosphate Assay Kit is for measurement of 10 nM – 800 nM phosphate. The assay is based on reduction of the fluorescence intensity at 585 nm (excitation 485 nm) of the NanoMolar fluorescent dye by phosphate in a linear fashion.
MicroMolar Phosphate Assay Reagent     Catalog number  MPA3000   The MicroMolar Phosphate Assay Reagent is for measurement of 0.2 mM – 20 mM (micromolar) phosphate. The assay is based on the principle that phosphate reacts with molybdate and forms a blue complex with Malachite Green dye in an acidic solution. The phosphate amount is measured by detection of the light absorbance at 650 nm.

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