Answer Posted / veeru

GC-Gasses use He&N carrier gas,Zero air is used supporting gas,hydrogen gas is used fuel gas

why are measure gas flow " ml " in Gas chromatography

1653

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We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1902

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we can use expired sample for validation and analyst qualification?

799

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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

710

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what you do when compound having dwel wavelength?

740

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what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9244

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In IR spectra, generally a molecule vibrates without apply emr or ir light?

1970

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if content uniformity passing but dissolution varrying then what is next step?

867

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

2286

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2955

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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

1866

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Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

2602

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Which parameters require to do in tech transfer?

752

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How to choose the which salt is suitable for mobilephase

3230

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