This Agilent 54845A is in fair to good, but not perfect condition, on the outside. It has been thoroughly tested and verified for excellent working properties. It is 100% functional, passing all internal tests and calibrations.
New in Factory Sealed Box Hanna Instruments HI3833 Phosphate Test Kit The orthosphosphate level in mg/L (or ppm) is determined by a colorimetric method. Ammonium molybdate and potassium antimonyl tartrate react in acid medium with orthophosphate to form a phosphomolybdate complex, that is reduced to intensely colored molybdenum blue by ascorbic acid. The color intensity of the solution determines the phosphate concentration.
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