What is mean by peak tailing in case of GC?

5 Answers  

---

differance between L1 and L7 columns

5 Answers   Everest,

---

In GC and HPLC ,how we can decide which of following method will be suitable or use for quantitation of chromatogram at the time of method development. 1.Area Normalisation 2.External standard method 3.Internal standard method

1 Answers   Atul,

---

what split ratio in gas chromatography.

9 Answers   Cipla, Glochem,

---

How can v calibrate ftir ? Plz explain me

2 Answers   Cipla,

---

In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?

8 Answers   Aurobindo, Cipla, FDC,

---

What is blank titration of potentiometrically.

2 Answers  

---

How to study genotoxicity of impurities in API?

2 Answers   NCL,

---

How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

0 Answers  

---

WHY pKa value is more important than pH value of the mobile phase in HPLC?

0 Answers  

---

why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate

1 Answers  

---

What are usp limits for total impurities,unknown impurity

1 Answers   Dr Reddys,

---