how to prepare low ppm solution from high ppm solution ?

1 Answers  

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Wath is the differenc between two column HPLC wich have the samme support , lenth , pore size, etc.. But different name .for exemple : Spherisorb / lichrosorb

2 Answers   NDA,

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which solution used for detecting factor of k.f.titroter except water

3 Answers  

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why equlirium conatant of water have 14 value

1 Answers   GVK Biosciences,

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In rs method development when we are going area normalization method to dilute standard method?

0 Answers  

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what are the primary standards of redox titrations?Name any two.

2 Answers   Laurus,

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in hplc calibration we are using 0.05% acetone why we are using that one and what happen when its conc increases or decreases

4 Answers   Aurobindo, Cadila, Martin,

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in which situation require to use paddle and basket?

0 Answers  

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how do start hplc method development? how much sample required for developing the method development?

3 Answers   BMS, Cipla, Indoco Remedies, Sun Pharma,

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why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons

1 Answers  

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how will you do the prep for unstable componds?

0 Answers   AMRI, CTX Life Sciences, Piramal Healthcare,

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How to do regeneration of Metacarb Pb plus column?

0 Answers  

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