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Table 5 Parameters of Cross model for EPS-R1at high concentrations

From: Characterization of an extracellular polysaccharide produced by a Saharan bacterium Paenibacillus tarimensis REG 0201M

Samples

c (g L−1)

ηo (Pa.s)

η∞ (Pa.s)

k (s)

n

R 2

EPS-R1

8.0

33,362.35 ± 31,147.42

0.013 ± 0.008

2,007,246.50 ± 2,579,417.35

0.688 ± 0.112

0.99

4.0

1107.27 ± 1565.89

0.003 ± 0.000

5,770,000.00 ± 8,160,012.25

0.567 ± 0.072

0.99

2.0

0.024 ± 0.004

0.004 ± 0.000

0.011 ± 0.0037

0.675 ± 0.005

0.99

Xanthan

8.0

53,116.8 ± 52,236.02

0.014 ± 0.001

152,823 ± 12,265.01

0.808 ± 0.005

0.99

4.0

23,842.9 ± 156.23

0.006 ± 0.0002

246,331 ± 100.36

0.765 ± 0.001

0.99

2.0

16.9093 ± 1.658

0.005 ± 0.0003

31.1106 ± 1.652

0.776 ± 0.001

0.99

  1. c concentration; η viscosity at a given shear rate; ηo viscosity at low shear rate; n power-law index; η∞ infinite viscosity; k consistency