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Table 4 Weight-average ( Μ w ) and number-average ( Μ n ) molecular weights and polydispersity indices ( Μ w / Μ n ) of the water-soluble lignins isolated from the hydrothermally pretreated liquor phase under the various processing conditions

From: Systematic evaluation of the degraded products evolved from the hydrothermal pretreatment of sweet sorghum stems

 

Water-soluble lignins (temperature (°C)-time (h))

110-1.0

130-1.0

150-1.0

170-1.0

M w

1,610

1,590

1,050

950

M n

1,090

1,220

900

840

M w/M n

1.48

1.30

1.17

1.13

  1. Data represented are the averages of the results obtained from the duplicated experiments.