Eliminate air and water contamination. Air-Water Syringe Tips Blue The angled tip ensures ideal placement in patient's mouth. Case Quantity: 40/250/cs Angled tip provides ideal placement of the tip anywhere in the patient's mouth.
38x30x11 cm³ Teaching Case Water Analysis VISO There are enough resources for at least 50 investigations.2 - 3 mg/l NH4+Nitrates: 1 - 90 mg/l NO3-Nitrites: 0.