In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

0 Answers  

---

what is third integration

0 Answers   Orchid,

---

how require to interprit the method precision data of hptlc?

0 Answers  

---

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  

---

HPLC Calibration was done in Reverse Phase, but not in normal phase why explain?

11 Answers   Cipla, Orchid,

---

why ur using toulene in hexane in u.v calibration?

3 Answers   Biological.e.limited, Cipla,

---

Describe 5 components of SFC ?

1 Answers   College School Exams Tests,

---

What is the difference between c8 and c18 hplc column?

1 Answers  

---

why we are use metthanol variously in kfr?why don't use other solutions?

4 Answers  

---

What is the difference between kf  and LOD

5 Answers   Enaltec Labs,

---

what is mean by Q in S1 and S2

3 Answers   Micro Labs,

---

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

0 Answers   Hetero, Reddy Labs,

---