same sample on two preapration gives differnt result during hplc analysis

3 Answers  

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If compound Pka is 5 then which buffer you will select ?

5 Answers   Avra, GVK,

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How you will select the runtime in HPLC for a drug in method development.

6 Answers   Aurobindo, GVK, Lesanto Laboratories,

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what is the difference between BDS and ODS Columens and both are same or not

2 Answers   Intas, IPQA, Micro Labs, Vasava Engineering Private Limited,

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What is the difference between spectro meter and spectro photo meter?

1 Answers   APM, Graviti Pharmaceuticals, Ranbaxy,

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Why sulfuric acid is used in sulphated ash / residue on ignition test.

9 Answers   CS Pharmaceuticals, Dr Reddys, GVK, HPLC, Micro Labs, Samrudh, Watson Pharmaceuticals, Wings Customer Care,

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Principle of single pan analytical balance

0 Answers   Amneal Pharmaceuticals, Bayer, Dr Reddys,

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difference between HPLC & LC-MS

9 Answers   Lambda,

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in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

1 Answers   Dishman,

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what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

1 Answers   Apex, Pentagon Labs,

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In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent

4 Answers  

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What is (Q) point dissolution?

6 Answers   Cipla, Macleods,

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