Nitrite/Nitrate — CHEMets Refill

This product contains 30 self-filling CHEMets ampoules packaged securely in cardboard trays and box.

When used for nitrate analysis with kits K-6904, K-6909D, and K-6909A (Cadmium Reduction method), Accessory pack A-6900 is also required.

When used for nitrate analysis with kit K-6905 (Zinc Reduction method), Accessory pack A-6905 is also required.

Shelf life:  12 months