114658  Nitrite Test in seawater  Nitrite is naturally present in soil, water and food, and regularly testing its concentration is essential for many applications. The test kit measures nitrite ions in freshwater and contains a colour card for the visual comparison. Read More »

108025  Nitrite Test Nitrite is naturally present in soil, water and food, and regularly testing its concentration is essential for many applications. Nitrites must be closely monitored in drinking and ground water as well as in process, waste, or aquarium water. Read More »