A Novel Device for the Accurate Dispensing of Small Volumes of Liquid Samples

reportActive / Technical Report | Accession Number: ADA094468 | Open PDF

Abstract:

A sample dispenser with electronic control of delivered volume has been designed and evaluated. With the new device, liquid samples are dispensed in the form of uniform droplets less than 4 nL in volume total volumes as small as 40 nL can be delivered with 1.5 precision. Important features of the microdroplet formation process have been studied and the effect of sample solution concentration and viscosity have been examined. The new dispenser is expected to find application in several areas, including electrothermal atomization atomic absorption spectrometry, automated titrimetry, and high-precision, low-volume solution sampling. Author

Author(s):
Shabushnig, J. G. ; Hieftje, Gary M.
Author Organization(s):
INDIANA UNIV AT BLOOMINGTON DEPT OF CHEMISTRY
Descriptive Note:
Interim technical rept.,
Pagination:
0026

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
TR-32, 40
Contract/Grant Number(s):
N00014-76-C-0838
 Subject Terms
Joint Capability Areas:
JCA_1.2_Force Preparation; JCA_1_Force Support; JCA_1.2.3_Educating; JCA_3.2_Engagement; JCA_3_Force Application; JCA_5_Command and Control; JCA_3.2.1_Kinetic Means
Communities of Interest:
Weapons Technologies
Descriptor(s):
*ELECTRONIC EQUIPMENT, *ELECTROCHEMISTRY, *SAMPLING, *FLUIDS, *DISPENSERS, TEST AND EVALUATION, AUTOMATION, SOLUTIONS(MIXTURES), EXPERIMENTAL DESIGN, ACCURACY, DROPS, FLAMES, ATOMIC SPECTROSCOPY, ABSORPTION SPECTRA, VISCOSITY, REDUNDANCY, ATOMIZATION
Field(s)/Group(s):
Electrical and Electronic Equipment, Atomic and Molecular Physics and Spectroscopy
Keyword(s):
Titrimetry, Automatic titrimeters, Microdroplets, Electrothermal atomizers, WUNR051622
Report Date:
1981 Jan 26