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Table 1 Physicochemical properties of silica gel-coated Merck-TLC, Merck-HPTLC, Merck-Lichrospher, MN-TLC, and MN-HPTLC plates

From: Comparative verification study of silica gel-coated TLC and HPTLC plates’ performances in separation of opium alkaloids on the basis of their physicochemical properties

 

Plate

Property

Merck-TLC

Merck-HPTLC

Merck-Lichrospher

MN-TLC

MN-HPTLC

Density (g.cm3)

0.331 ± 0.061

0.319 ± 0.008

0.137 ± 0.046

0.518 ± 0.036

0.498 ± 0.004

Specific surface

(m2.g−1)

236.18 ± 6.35

239.60 ± 25.01

425.58 ± 123.87

366.45 ± 3.22

372.87 ± 26.06

Mean particle size (μm)

12.0 ± 0.7

6.7 ± 0.1

6.8 ± 0.3

20.1 ± 0.7

15.2 ± 0.1

Zeta potential (mV)

−31.6 ± 6.0

−35.9 ± 8.1

−40.4 ± 5.1

−12.6 ± 4.7

−19.5 ± 4.0

Migration distance (cm)

10

10

10

10

10

Development time (min)

19.33 ± 0.45

27.62 ± 0.39

19.83 ± 0.42

24.06 ± 0.67

17.92 ± 0.30

Plate number (spot 1)

85.7 ± 7.2

204.4± 115.9

172.3 ± 7.7

162.6 ± 53.6

146.0 ± 60.7

Plate number (spot 2)

625.8 ± 302.2

656.4± 158.8

396.6 ± 122.8

538.9 ± 188.2

567.3 ± 58.0

Plate number (spot 3)

1384.1 ± 662.6

999.2± 243.4

766.9 ± 322.0

505.7 ± 153.0

390.0 ± 30.8

Plate number (spot 4)

1180.8 ± 107.2

576.4± 484.4

958.7 ± 239.2

91.5 ± 8.7

750.5 ± 333.8

Plate number (spot 5)

812.9 ± 126.5

2725.3± 196.7

1366.7 ± 197.0

2893.2 ± 2097.5

1837.3 ± 369.0

Plate number (spot 6)

567.0 ± 68.6

851.2± 257.4

645.7 ± 116.9

1168.2 ± 1133.0

589.9 ± 185.5

Plate number (spot 7)

865.7 ± 546.3

1273.6± 516.2

1241.4 ± 63.6

897.1 ± 221.4

809.7 ± 76.5

Resolution

(spot 1–spot 2)

0.90 ± 0.13

1.11± 0.13

0.75 ± 0.16

0.63 ± 0.52

0.98 ± 0.08

Resolution

(spot 2–spot 3)

1.95 ± 0.11

1.83± 0.31

1.70 ± 0.04

1.09 ± 0.16

1.26 ± 0.27

Resolution

(spot 3–spot 4)

0.88 ± 0.12

0.65± 0.33

0.75 ± 0.07

0.46 ± 0.06

0.61 ± 0.09

Resolution

(spot 4–spot 5)

0.85 ± 0.11

0.71± 0.46

0.99 ± 0.02

0.53 ± 0.05

0.89 ± 0.16

Resolution

(spot 5–spot 6)

1.30 ± 0.42

1.85± 0.41

1.26 ± 0.13

1.17 ± 0.24

1.54 ± 0.33

Resolution

(spot 6–spot 7)

1.02 ± 0.03

1.133± 0.25

1.53 ± 0.00

1.54 ± 0.80

0.98 ± 0.07

  1. For explanation about significant differences of each parameter between plates, please see the Results and discussion section