Answer Posted / m

Accuracy: Accuracy is show u degree of reproducibility by
recovering the added known amount.

Precision: Precision is show u how precisice is ur method
by producing same result.

But remember one thing if u r method is precise is not
necessary it is accurate.

But if u r method is accurate it precise also.

please explain about aluminium hydroxide assay

1132

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give clarity of linearity and range in method validation

2420

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WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

1188

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if instrument calibration fails then what require to do?

980

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for inorganic molecules require to do RS, Assay and disso?

734

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1917

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for which product require to do content uniformity? what is limit of cu?

819

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why require to do water content for drug product?

829

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how to select short coloum and long coloumn for new molecule

2452

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Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1858

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Why we check moisture,ash & AIA in product

1885

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

856

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we can use expired sample for validation and analyst qualification?

812

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Explain the relations between number of carbon atoms in alkanes and retention time ?

2147

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Tell me something about Vitamin A test method by HPLC

2679

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