how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

4 Answers   Macleods,

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which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution

8 Answers  

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What is Delay & Dead Volume

2 Answers  

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why digestion require in icpms?

0 Answers  

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What is the use of Holmium (III) Oxide???

1 Answers   Finar Chemicals,

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What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?

0 Answers   Cipla,

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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 we use holmiumperchlorate in calibrating uv

4 Answers   Aurobindo, DRL, MSN Pharma,

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why ph electrode is storing in KCL solution?Why the pH max is 14.0?

5 Answers   Cadila, Vimta Labs,

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Why should we use Potassium iodide and Hydrochloric acid during preparation of Iodine Molar solution?

1 Answers  

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Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

0 Answers  

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What is the difference between the optics of UV and PDA Detectors ?

3 Answers   Emmennar, Neuland,

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