Answer Posted / muhammad waseem

Standard operating procedure is related to any instrument, means how to operate this instrument.
while, Standard testing procedure is related to method analysis, how the perform any method.

As per ICH related substances stability trend limit from initial to shelf life

3242

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[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

775

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What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2676

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in which situation require to change rs specification?

742

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how can I make the copper get white bye any salt or acit?

2198

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Why irmoisture balance is used for corrugated box moisture testing

2398

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What is delay volume?

1371

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Tell me about analytical method validation in QC

6168

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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

847

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1766

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What is shaking level in GC?

785

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why salisylic acid not using now days for disdolution calibration?

763

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

717

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what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

1961

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

806

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