Answer Posted / ikhlakh

sample absorbance should remain in linear range of detector.NOT MORE THAN 1AU.

how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

2314

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why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2788

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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

3184

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How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

2398

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How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

4285

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For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1916

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WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2142

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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?

809

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What is the main difference between ODS1 and ODS2 Hplc column.

5229

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on saturation solubility study data how we can find out the bcs class of drug?

905

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what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2632

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Basic principle of ESI?

2156

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2330

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what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

10006

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why require the ph, buffer during hplc mobile phase?

871

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