Answer Posted / anji

lc-ms is lc is combined with mass spectroscopy by inter
face.in this separation as well as identification of
molecule by their m/z. it is mostly used in cro industry
because it detect new molecles. inter face used as to remove
solvents and buffers from out let of lc.

how pda detector works over uv?

727

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Explain the relations between number of carbon atoms in alkanes and retention time ?

2129

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what is mean by extactable and leachable study?

1146

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in gas chromatography what is the difference between gas flow rate and average linear velocity ?

2579

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What is control room temperature and which guide line says?

1611

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What is mean by PDR?

919

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

2252

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function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2649

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From where require to take the RLD sample?

744

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

9973

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If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

2282

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How can we calculate offset value pH measurment

1487

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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.

2664

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How would you decide dissolution medium for NCE compound of class I drug

2235

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What is the calibration of uv process and preparation

1987

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