Answer Posted / sudhanshu raghuvanshi

KBr is an alkyl halide and any alkyl halide doe not show
any absorption spectrum in infrared region.......we can
also use kcl....for the ir of liquid we use nacl cells
because it is also an alkyl halide and does not show any
absorption spectrum in IR region.......

what is the origin to prepare standard operating procedure

2405

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which batch require to use for analytical method validation?

859

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What is the Formula for coreletion coefficient in plhplc calibration

1883

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

777

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what is procedure of actual procedure for registration of drug?

2056

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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

2073

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in OSD forms require to use gas chromatography?

874

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how decide the clining method and cleaning method validation require for this perticular products?

822

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We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1784

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How require to perform linearity as per ANVISA? What are the acceptance criteria?

1401

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Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1504

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Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

757

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is it nessesary to do solution stability for 7 days?

821

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1921

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How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3264

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