Answer / ravi narwade

It is the peak due to void volume.

How we can determine OOT limit in Stability

2 Answers   MSN Pharma,

---

Wath is the differenc between two column HPLC wich have the samme support , lenth , pore size, etc.. But different name .for exemple : Spherisorb / lichrosorb

2 Answers   NDA,

---

Why the ph limit (1_14) Is used?

3 Answers   Cipla,

---

Defination of ZEEMAN EFFECT in NMR ?

2 Answers  

---

what is the disso medium for tropsiun chloride

0 Answers  

---

what is the most common FT-IR source used for the MID&Near IR regions?

1 Answers   Dr Reddys, Piramal Enterprises,

---

for which type of applications gas chromatography is used?

5 Answers   Cipla, Flamingo Pharmaceuticals,

---

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

3 Answers   MSN Pharma, Titan,

---

In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?

1 Answers  

---

What is Temperature ?

2 Answers   Reddy Labs,

---

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

3 Answers   Emmennar, Neuland,

---

what is principal of karl ficher instrument!

12 Answers   Alkem Labs, USV,

---