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Shekhar M. Bhavsar et al

J. Chem. Pharm. Res., 2010, 2(2): 563-572

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Fig. 4: Linearity and calibration curve of Thiocolchicoside

Parameters

Lornoxicam %Assay

% RSD

Thiocolchicoside %Assay

% RSD

Mean SD (n=6)

Mean SD (n=6)

Method Precision

95.95 0.45

0.5

100.58 0.41

0.5

Ruggedness

96.28 0.177

0.2

102.18 0.15

0.2

Precision The method precision was done by preparing six different sample preparations by one analyst under the same conditions. The results are presented in Table 3. The results obtained were within 2% RSD.

Ruggedness Ruggedness test was determined between two different analysts, instruments and columns. The value of percentage RSD was below 2.0%, showing ruggedness of developed analytical method. The results are presented in Table 3.

Table 3: Results of Method Precision and Ruggedness

Accuracy The difference between theoretical added amount and practically achieved amount is called accuracy of analytical method. Accuracy was determined at three different levels 50%, 100% and 150% of the target concentration in triplicate. The results are presented in Table 4.

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