High-speed, automatic dispenser/diluter or dual pipetter/mixer
1978
High-speed Automatic Dispenser/Diluter or Dual Pipetter/Mixer
publication
Evidence: high
Author Information
Author(s): David L. Krottinger, Michael S. McCracken, Howard V. Malmstadt
Primary Institution: School of Chemical Sciences, University of Illinois at Urbana-Champaign
Conclusion
The developed unit demonstrates excellent precision and reliability for dispensing and mixing solutions in analytical laboratories.
Supporting Evidence
- The unit can perform aliquoting, mixing, and transferring operations in about two seconds.
- Tests showed excellent precision with various syringe sizes.
- The unit has been used successfully for phosphorus determination in grain and feed samples.
Takeaway
This machine helps scientists quickly mix and measure liquids without making mistakes, making their work easier and faster.
Methodology
The unit uses pneumatically-operated syringes and valves to dispense and mix solutions automatically.
Limitations
The precision of the absorbance readings is limited by the spectrophotometric measurement.
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