Answer / sunil

aliphatic chain

what is the difference b/w repeatability nd reproducibility ?

1 Answers   Aptuit Laurus,

---

why we are using in ph calibrations ph4,7,9.2 buffers only?

5 Answers   Reddy Labs,

---

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

1 Answers   Ajanta,

---

how can you do the analysis of compound given to u by hplc

2 Answers  

---

What is the column performance and column efficiency?

2 Answers   Reddy Labs,

---

what is LC - MS ? What its wide use in cro/pharmaceutical Industry

4 Answers   Ranbaxy,

---

Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?

1 Answers  

---

If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

0 Answers  

---

How do you increase the number of theoretical plates?

1 Answers   Cipla,

---

What is the lab normality??

3 Answers   DRL, Tagros,

---

What is unit of pH?

26 Answers  

---

I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

9 Answers   Midas Technologies,

---