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MW Distribution Analysis (KF-406LHQ)

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MW distribution of SRM 706 was measured using organic solvent SEC (GPC) semi-micro column, GPC KF-406LHQ and conventional organic solvent SEC (GPC) column, GPC KF-806M. Both columns provided good agreements even using different detector systems (Light scattering and sedimentation equilibrium) that provide absolute MW information as well as column fractionation method using Mw/Mn measurements.

MW distribution analysis of SRM706

Analysis method Mw x 104Mn x 104 Mw/Mn
KF-406LHQ x 2
(4.6mmI.D. x 250mm)
26.2212.262.13
26.4612.432.13
KF-806M
(8.0mmI.D. x 300mm)
26.0012.402.10
28.0012.902.17
Light scattering 25.78--
Sedimentation equilibrum 28.81--
Column fractionation

2.10