Method determination of red blood cell (RBC) count: APPARATUS: Neubauer’s chamber (thick slide), RBC diluting fluid, microscope, coverslip, pricking needle (blood Lancet) and spirit swab. RBC Diluting Fluid (Hayem’s Fluid) Sodium chloride (NaCl): 0.5 gm, to maintain isotonicity of fluid. Sodium sulphate (Na2SO4): 2.5 gm, which breaks RBCs and prevents their rouleaux … [Read more...]