Answer Posted / ravi1234

There will be no relation Between Inj Volume and Retention time.If Injection Voulme Increases Area of Peak Changes..Not RT.

WHY given much noise PDA dector then VWD Dector

2144

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what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2338

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In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3550

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How to set specification of assay, fisdolution and related substances?

931

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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

1919

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Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

978

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on the basis of bcs class how to proceed the solubility?

830

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For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4130

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What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

883

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

2223

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we can use expired sample for validation and analyst qualification?

859

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if identification threshold crosses the limits then what next step?

915

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Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1873

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How to choose the which salt is suitable for mobilephase

3300

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How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

3324

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