Polyamide (12) Nylon 6/9 (HK-404L)

Nylon 6/9 was analyzed using GPC HK-404L, an organic SEC (GPC) column for ultra-rapid analysis. It can achieve approximately half of the analysis time compared with a  standard column (8.0 mm I.D. x 300 mm) and the amount HFIP used can be greatly reduced to about a sixth. Since HFIP is very expensive, not only environmental concerns but also the burden of analysis costs can be reduced.

Sample : 5 μL
Nylon 6/9,
Poly(hexamethylene nonanediamide) 0.23 %

Column       : Shodex GPC HK-404L (4.6 mm I.D. x 150 mm)
Eluent       : 5 mM CF3COONa in HFIP
Flow rate    : 0.3 mL/min
Detector     : RI (small cell volume)
Column temp. : 40 °C

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