Turbidity, measurement of the cloudiness of a fluid, fill the tube with water and drain it slowly by limiting flow, this measurement will give you the NTU or Nephelometric Turbidity Unitinch the unit of measure for the cloudiness of the water
16 mm x 100 mm x 8 mL BD Vacutainer* plus plastic transport kit for UA chemistry urine testing. With evacuated conical bottom tube and transfer device. Pack of 50, Case of 200.