✅ Poštovné ZADARMO nad 39€ ✅ Knižná akcia každý mesiac ✅ Bezpečný nákup
Water Quality with Vernier has 16 water quality tests, including pH, total dissolved solids, dissolved oxygen, BOD, flow rate, turbidity, nitrates, and phosphates. All nine tests in the Water Quality Index (WQI) are supported. A comprehensive introduction is included for each test, providing important background information for the students.
