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EC number: 201-051-3
CAS number: 77-71-4
Calibration factor (Φ)
Literature Value (mN/m)
Mean Calibration Factor = 1.001
The readings, times and temperatures for the sample solution are
shown in the following table:
determination was carried out using a White Electrical Institute
interfacial tension balance and a procedure based on the ISO 304
ringthod. With the exception of the following deviation, the experintal
procedure used complied with that specified in Method A5 Surface Tension
ofCommissionRegulation (EC) No 440/2008 of 30 May 2008.The surface
tension result was not corrected using the Harkins-Jordan correction
table as the correction is not applicable to the apparatus used. Once
calibrated, the balance and ring assembly used in this test give a
direct reading for surface tension that is within the required accuracy
(± 0.5 mN/m); this is as a result of the reduced ring dimensions.
deviation has been considered not to have affected the integrity of the
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