Table 8 Mortality rate (24 and 48 hours) of Artemia nauplii treated with various concentrations of soxhlet MeOH extract of T. ornata exposed to seawater an in-vitro study.

From: Biogenic corrosion inhibitor on mild steel protection in concentrated HCl medium

 

Soxhlet MeOH extract of T. ornate (μg ml−1)

Initial number of Artemia nauplii

Number of nauplii dead after 24 hours

% of mortality after 24 hours (mean ± SD)

Number of nauplii dead after 48 hours

% of mortality after 48 hours (mean ± SD)

Mortality rate after 24 and 48hours

Control

30

3

10.00 ± 0.50

5

16.60 ± 1.52

100

30

5

16.60 ± 0.57

13

43.30 ± 0.57

200

30

7

23.30 ± 1.52

18

60.00 ± 1.73

300

30

11

36.60 ± 0.57

22

73.30 ± 0.57

400

30

13

43.30 ± 0.57

25

83.30 ± 1.15

500

30

15

50.00 ± 1.15

29

96.60 ± 1.00