River Water Survey Set AZ-RW-3 1 box

Let's examine the water in various rivers near us, both large and small. It also comes with an explanation of how to plan a survey and how to summarize the results, so it can be used as a teaching material for environmental education and independent research. Measurement items: COD (low concentration), ammonium nitrogen, nitrite nitrogen, nitrate nitrogen, phosphate phosphorus (low concentration) Number of measurements: 2 times each Simple water quality testing equipment This is the successor to 1-2484-01. *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.