Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

1 Answers   Orchid,

---

In HPLC when we use Isocratic method, Gradient method in hplc?

8 Answers   Pharmaceutical,

---

Why we use potassium dichromate in uv calibration Exact reason behind it??

0 Answers  

---

What is the principle of Thermal conductivity detector and FID?

0 Answers   Cipla,

---

why we are performing residue on ignition?

2 Answers  

---

Why we use methanol as solvent in kf standardisation. Why not other solvent?

2 Answers   Caplin Point, Epione Labs, Hetero,

---

how much mass should be there in volumetric flask while in preparation of sample for assay? 

0 Answers   Reddy Labs,

---

What is viod volume and peak purity in HPLC?

0 Answers  

---

what is full form of RVT

1 Answers  

---

how can we calculate void volume?give its importance in brief

1 Answers   Natco,

---

what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

0 Answers   Wockhardt,

---

is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.

2 Answers  

---