stability group
9.Results The mixture of Glutaraldehyde(C 5 H 8 O 2 )and sodium azide(NaN 3 )was better for preservative stability of urine RBC,Cast,Bact and EC. The quantities of RBC,Cast,Bact and EC were significantly different from those in the control group(P<0.05or P<0.01),Sodium azide was better for preservative stability of urine WBC.

