Answer / d pitchaiah

with tetramethyle silane

what is mean by dissolution biowaiver study?

0 Answers  

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Why sodium hydroxide used for maintain pH of phosphate buffer

0 Answers   Medicamen Biotech,

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How to Prepare Dilute Sodium hydroxide solution?

3 Answers   Claris Otsuka,

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Explain the relations between number of carbon atoms in alkanes and retention time ?

0 Answers   College School Exams Tests,

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In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

0 Answers  

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Basic principle of ESI?

0 Answers   Cipla, GVK,

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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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Why Ethanol is Used for Standardization of GC Head space?

0 Answers   Anuh Pharma, Cipla, Finar Chemicals, Hetero, Sun Pharma,

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What if impurity area in control sample coming more as compared to LOQ level of impurity ?

0 Answers  

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What are the primary standards?

6 Answers  

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What is the procedure for the calibration of ph meter?

1 Answers   IBS,

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Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

1 Answers   Orchid,

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