why in hplc peaks are in positive side(it means upside) not in negative side?

3 Answers  

---

As per OOT for any product what is calculation and how to invetigate the OOT

3 Answers   Aurobindo, Hetero,

---

How can we calibrate the burette dispencing capacity in metrorm kf titration calibration

1 Answers  

---

What is the unit of Colour?

4 Answers   IPCA,

---

What are the factors effect peak shape in HPLC ?

2 Answers   College School Exams Tests,

---

As per USP u/vacuum means (how much vacuum should be applied)?

1 Answers   Mylan,

---

stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

---

how to prepare low ppm solution from high ppm solution ?

1 Answers  

---

Qc interview questions

0 Answers   Apotex,

---

Nitrogen test is used for which chromatography?

1 Answers   Laurus,

---

How to define samples weight in moisture content

1 Answers  

---

how do start hplc method development? how much sample required for developing the method development?

3 Answers   BMS, Cipla, Indoco Remedies, Sun Pharma,

---