4. Add the contents of one Nit-river 3 Nitrite Reagent Powder Pillow to the sample cell. Cap the cell and shake to dissolve. Note: Accuracy is not affected by undissolved powder.
4. Add the contents ofone Nit-river 3 NitriteReagent Powder Pillowto the sample cell. Capthe cell and shaketo dissolve.Note: Accuracy is notaffected by undissolvedpowder.