Answer / padmarao_attili

589.3 nm

Answer / muvva

589.8

when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

0 Answers   ABC,

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How we develop a method by HPLC for unknown compound,if we got three peaks with same response then how we can find out which one is our desired compound's peak without taking help of LC MS.

4 Answers   Apotex, Kemwell,

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What is difference between Chromatographic purity and Related substances analysis?

3 Answers  

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what type of question will ask in the interview of lab chemist.

0 Answers   Godavari Biorefineries, Monginis,

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What is post run in hplc?

1 Answers   Cipla,

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class of solvent regarding Residual solvent e.g. Acetone his class

1 Answers  

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

2 Answers   Laurus,

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Loss of linearity in tkn analysis, possible reasons?

0 Answers  

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what is the difference between potentiometric assay and hplc assay

2 Answers   Parabolic,

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Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.

1 Answers  

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what is pK & pKa value

3 Answers  

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void volume is depending on column or not? if yes how will you depend?

1 Answers   Granules,

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