SOLUTIONS

Sensitivity

Superior Sensitivity

System & Columns

EcoSEC GPC System with RI detector
LenS3 Multi-Angle Light Scattering detector
1 × TSKgel GMHHR-H (7.8 mm ID × 30 cm) 

LALS signals for decreasing injected mass of PS 100K standard F-10

LenS_PD_fig2A.png

Molecular weights by LALS and RALS for decreasing injected mass of PS 100K standard F-10
Injected mass MW by LALS MW by RALS
0.7 µg 102,110 101,570
70 ng 101,520 100,960
35 ng 101,150 100,870
15 ng - inj. 1 - 102,180
15 ng - inj. 2 - 100,980
15 ng - inj. 3 - 101,390
15 ng - inj. 4 - 99,800
15 ng - inj. 5 - 100,760
15 ng - Average - 101,020 ± 780 (0.77%)

Samples & Conditions

Tosoh 100K polystyrene (PS) standard F-10
THF at 1.0 mL/min; T = 35 °C (pumps, column and RI)
Decreasing injected mass

RALS signals for decreasing injected mass of PS 100K standard F-10

RALS signals