59
OsmoTECH® Single-Sample Micro-Osmometer User Guide
Appendix C: Known limitations
• Additives such as anticoagulants from collection tubes may contribute to the measured osmolality.
• Particulate matter can cause premature crystallization, such as sample pre-freeze. The particulate matter may be
eliminated by centrifugation. It may also be eliminated in urine by filtration.
• Samples with air bubbles do not freeze reliably and may yield inaccurate results.
• Samples allowed to evaporate will yield higher osmolality values.
• Non-aqueous solutions will not yield accurate results. The OsmoTECH is intended to test aqueous solutions only.
• Highly viscous solutions may not freeze reliably and may yield inaccurate results.
• High concentrations of ethanol, acetone, methanol, isopropanol, ethylene glycol, diethyl ether, paraldehyde,
trichloroethane, or propylene glycol may not freeze reliably and may yield inaccurate results.
To Next Page
Loading...
Need help?
General
