Economy River Water Survey Set TZ-RW-3 1 Box

Let's examine the water in various rivers near us, both large and small. It comes with explanations on how to create a research plan and how to summarize the results, so it can also be used as a teaching material for environmental education or independent research. This river water survey set contains 5 boxes and is economical to use at 30% less. Measurement items: COD (low concentration), ammonium nitrogen, nitrite nitrogen, nitrate nitrogen, phosphate phosphorus (low concentration) Number of measurements: 10 times each Simple water quality testing equipment This is the successor to 1-2484-02. *The measurement range is set on the assumption that the water is relatively clean, so if the hot spring is located in a river or river basin that is polluted by pollution, the result may be outside the measurement range.