Range: 0-225 ppm as N
MDL: 20 ppm
Method: Cadmium Reduction
Kit K-6909A comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Comparator, 25 mL sample cup, 1.0 mL syringe, reaction tube with lid, and instructions.
Shelf life: The refill and comparator contained in this kit have shelf lives of 12 months