How to know HPLC column performance?

4 Answers   Meghmani Organics,

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What is the Column Endcaping in HPLC ?

3 Answers   Aptuit Laurus,

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In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?

1 Answers  

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what is dissolution What is unit of KF? what is the significant of pH in HPlc? WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector?

1 Answers  

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why we are using polystyrene film for calibration of I.R spectroscopy?

12 Answers   Abbott, Andhra Organics, Intas, Kemwel, Reddy Labs, RRR, Veritas, Zydus Cadila,

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what are risk assement in the analytical qbd?

0 Answers  

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What is the solvent/material used to balance spirit level in analytical balance?

5 Answers   Glenmark, MMC Health Care,

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what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

0 Answers   GHI, Siemens,

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Basic principle of ESI?

0 Answers   Cipla, GVK,

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Why dissolution test is not performed in all of the products

0 Answers   Biocon, SDD,

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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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Why 162 mg NaOH used for 1N volumetric solution in 150 ml water then 54.5 ml diluted with 1000 ml

0 Answers  

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