Why we inject a standard 6 times for Related substances by HPLC and 5 times for Assay?

3 Answers   GVK,

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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 in ph calibrations ph4,7,9.2 buffers only?

5 Answers   Reddy Labs,

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why water content test performed

1 Answers  

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why using the ph 4,7,9.2?

1 Answers   SRF,

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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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Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?

3 Answers  

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why equlirium conatant of water have 14 value

1 Answers   GVK Biosciences,

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why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?

2 Answers   Graviti Pharmaceuticals, Vimta Labs,

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if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?

5 Answers   Cipla, Reddy Labs,

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why linerity not use in GC but use in HPLC ?

6 Answers  

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As per ICH related substances stability trend limit from initial to shelf life

0 Answers   Medley Pharmaceuticals, Micro Labs,

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