Answer / stephie

Because mobile phase has refraction index itself, therefore we need to subtract this proportion to minimize the error.

What are the tests used in Hplc?Name any two.

4 Answers   Laurus,

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What is difference between Chromatographic purity and Related substances analysis?

3 Answers  

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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how to select short coloum and long coloumn for new molecule

0 Answers   Rampex Labs,

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What is descriminatory disolution medium ?

3 Answers   Cipla, Graviti Pharmaceuticals,

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What are the class-1 residual solvents listed in ICH guidelines?

2 Answers  

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what are the standard methods for HPLC?

0 Answers   Orchid,

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what is method development parameter in HPLC method development

6 Answers   GVK,

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In my analysis by HPLC,In sample main peak and placebo peak are eluting with shorter resolution ( almost look like doublet). how can i get max resolution ? Is changing gradient method is usefull?

3 Answers  

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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?

2 Answers   Torrent Pharma,

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if you given one product then which tests you will perform?

0 Answers  

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why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

3 Answers   Reddy Labs,

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