Answer Posted / babi

negative logerithem of H+ ion concentration
pH = -log [H+]

how can give the expiry period and restadardisation of volumetric solution

2582

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what is the disso medium for tropsiun chloride

2258

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How do we fix the sample concentaryion in hplc method development?

1132

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

675

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why we use a particular hplc column for a particular compound give reasons?please

2748

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Identify problem faced when mass spectroscopy is used with HPLC system ?

1855

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EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

2629

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for which product require to do content uniformity? what is limit of cu?

811

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HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

2231

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if you have given a blank water how you analyse by general analytical techniques?

2026

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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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if peak get problamatic then what require to do?

794

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

848

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can i use hplc detector to uplc and why?

2278

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what is mean by extactable and leachable study?

1154

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