Colorimetric Nitric Oxide Assay Kit

1. Store the components of this kit at the temperatures specified on the labels.<br>2. Unopened reagents are stable until the indicated kit expiration date.<br>3. Reconstituted Nitrate Reductase is stable for 6 months if stored at At -20 °C; one year if stored at -80 °C.<br>4. Diluted Nitrate Standards may be stored at 4 °C for later use.<br>5. Reconstituted NADH should be stored at At -20 °C. Avoid freeze-thaw cycles! Store in the dark.