Nizar Katrangi PhD
Eyad Katrangi PhD

Urine Preservatives

Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkNoNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkOkNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkNoOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkPreferredNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
PreferredOkOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkPreferredOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkPreferredOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkNoNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkNoNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoPreferredOkOkNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkPreferredOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoOkOkPreferredNo
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
NoNoNoOkOk
Temperature PreservativePreservative
AmbinetRefrigerateFrozenBoric AcidHydrochloric Acid (HCL) 6M
OkPreferredOkNoOk
The conditions and concentrations of urine preservatives are defined for 24-hour collections as follows:
AmbientRoom temperature (21–25 degrees C)
Refrigerated4–8 degrees C
Frozen-20 degrees C
Boric Acid (crystals)10 g per 24-hour collection
6M Hydrochloric Acid30 mL per 24-hour collection