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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.