Answer / sagar mhaske

BEZ we are taking reading in mv,not in transmittance so all peak in hplc on positive side..
if we are taking reading in transmittance then automatically goes negative side.

Answer / rajeev sharma

Polarity of mobile phase less to diluent so negative peak generated

Answer / divya

which is exothermic reaction.

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

0 Answers   Srini Pharmaceuticals,

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What is colimn selection Criteria in HPLC analysis?

4 Answers  

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Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

0 Answers   IDA,

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are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????

1 Answers   Beni Suef University, Graviti Pharmaceuticals, Sri Krishna Pharmaceuticals,

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Why we use potassium dichromate in uv calibration Exact reason behind it??

0 Answers  

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How are PDA Detector work in HPLC

7 Answers   Agilent,

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what is LC - MS ? What its wide use in cro/pharmaceutical Industry

4 Answers   Ranbaxy,

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Plz explain the formula in uv calibration =Absorbance of the sample ( x ) x 10 x 1000/Weight of potassium dichromate taken in mg

1 Answers  

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Can you please give a suitable definition and an example for understanding the words purity and potency.

6 Answers   Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,

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what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?

1 Answers   Alchemist, Alembic, Apex,

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same sample on two preapration gives differnt result during hplc analysis

3 Answers  

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wen v have polr solvent then which type of column use in hplc

2 Answers  

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