This product is a refill for K-6901, K-6901A, and K-6901D Nitrate CHEMets Visual Kit for the analysis of nitrate in water.
It contains 30 self-filling CHEMets ampoules packaged securely in cardboard trays and box, Acidifier solution, Buffer solution, and Zinc.
R-6901 Nitrate CHEMets Refill is compatible with C-6902 Nitrate Low Range Comparator and C-6908 Nitrate High Range Comparator.
$62.05