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A simple field cryoscope‐osmometer for freezing‐point determination with small fluid samples
Author(s) -
UNWIN D. M.,
WILLMER P. G.
Publication year - 1978
Publication title -
physiological entomology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 57
eISSN - 1365-3032
pISSN - 0307-6962
DOI - 10.1111/j.1365-3032.1978.tb00168.x
Subject(s) - osmometer , freezing point , refrigerant , biology , range (aeronautics) , chromatography , thermodynamics , materials science , physics , chemistry , composite material , gas compressor
. This paper describes a portable battery‐powered freezing‐point apparatus which uses readily available aerosol cans of refrigerant to cool the specimens. The instrument is directly calibrated and can be used to estimate osmolalities in nanolitre volumes over a wide concentration range.