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Table 7 Linearity experiment results

From: Development and validation of a simple and rapid ICP-OES method for quantification of elemental impurities in voriconazole drug substance

S. No

Conc (ppm)

Counts/S

Statistical analysis

Results for Lead

1

0.0150

55.73

Slope

3833

2

0.0224

83.63

Intercept

-2

3

0.0300

113.39

STEYX

2

4

0.0450

167.83

Correlation co-efficient

0.9995

5

0.0600

229.23

Results for Palladium

1

0.0300

245.30

Slope

7546

2

0.0448

356.00

Intercept

13

3

0.0601

455.33

STEYX

10

4

0.0901

685.07

Correlation co-efficient

0.9990

5

0.1201

927.37

Results for Zinc

1

1.0000

24.675

Slope

24

2

3.9000

94.506

Intercept

0

3

7.8000

190.24

STEYX

3

4

11.7200

278.93

Correlation co-efficient

0.9997

5

15.6000

379.17