Which std. used for standrdisation of ZnSO4?

1 Answers  

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In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?

1 Answers   Orchid,

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principle of UV , PDA , RI detector in HPLC

0 Answers   Dr Reddys,

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What is the meaning of Base deactivated vials

1 Answers   Sun Pharma,

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what is mean by ambient temperature?

0 Answers  

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what is the difference betwen the analytical column & peparative column?

4 Answers  

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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?

2 Answers   Torrent Pharma,

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why we are using only lead standard solution for Heavy metals test? what is the purpose of this?

4 Answers   Divis Laboratories,

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i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...

2 Answers   Glochem,

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Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?

1 Answers  

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some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

0 Answers   Micro Labs, VMSRF,

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What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

1 Answers   LOIL,

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