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Your cart is empty.2 Point (High/Low) calibration solution set for Nitrate NO3- Ion Selective Electrodes. 2x500mL Solution 1: ISE High Standard, 500mL (16.907 floz) Nitrate (NO3-) 1000 mg/L (ppm) as N (1.6128 x 10-2 Mol/L) Solution 2: ISE Low Standard, 500mL (16.907 floz) Nitrate (NO3-) 10 mg/L (ppm) as N (1.6128 x 10-4 Mol/L)
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