Pack Size: roll of 5 meter length
Test paper for Nitrate (NO3-): white to red (dip test paper into sample and afterwards into sulfuric acid 96%); for Nitrite (NO2-): white to yellow (dip test paper into sample and afterwards into Hydrochloric acid 5 mol/l) Limit of sensitivity 10 mg/l (ppm) nitrate (NO3–), 5 mg/l (ppm) nitrite (NO2–) Instruction Sheet (For semi-quantitative determination see Ref 91313 QUANTOFIX® Nitrate/Nitrite)
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