how much wave length of Soduim vapour lamp used in polarimeter

2 Answers   Reddy Labs, Torrent Pharma,

---

In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?

2 Answers  

---

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

0 Answers   Srini Pharmaceuticals,

---

diference b/w packed &capilary columns

2 Answers  

---

which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

1 Answers   Hetero, Mylan,

---

How to fix the sample concentration in related substances development.

3 Answers   Novartis, Watson Pharmaceuticals,

---

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

4 Answers   Cipla, Orchid, Ratiopharm,

---

Why KBr is used in FTIR ?

6 Answers  

---

why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

---

what is %labelled amount in content uniformity of dosage unit and its calculation?

0 Answers   Zydus Cadila,

---

plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration

2 Answers   Torrent Pharma,

---

Is it necessary to inject three replicate for accuracy in AMV.

1 Answers   Amoli Organics,

---