Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?

1 Answers   Micro Labs, Mistair,

---

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

0 Answers  

---

Why Holium cholorate used in UV Spectro photometer?

7 Answers   Reddy Labs,

---

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

0 Answers  

---

why we do the calibration of limit of stry light in hplc & uv

1 Answers   Cipla,

---

---

why hydrogen and zero air used for flame ignition in gc?

1 Answers  

---

what is the balance drift?

2 Answers   Torrent Pharma,

---

what is the use of performing tapped density in pharmaceutical industry

1 Answers  

---

Why we use holmium oxide,perchloric acid for uv/vis calibration

4 Answers   Cipla, Orchid, Ratiopharm,

---

what is principle of XRD?

3 Answers   Cipla,

---

What is Specificity ?

8 Answers   Dr Reddys,

---

How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance

4 Answers   DRL, Glenmark, Orchid,

---