Answer / yemulas(ycs)

the column selection is depends upon the polarity of the sample or drug

if in case the drug is highly polar choose highly non-polar column (c18,c8)
if in case the drug is low polar choose the low non-polar column (cyno,c4)

simple :--
sample polar then take --- non-polar column
sample non-polar then take ---polar column

Answer / lava khandelwal

if sample is basic then use BDS column & if acidic then use
ODS column.

Answer / g.knalpaa

based on the sample

Answer / fareena

it depends upon the the properties and nature of analyte
because selection of column means selection of stationary
phase.furthermore it also depends on the type of product
i.e. multiactive(more than one active),needs a better
resolution of peaks by increasing column lengh.

What should be the sampling point in dissolution test?

1 Answers  

---

what is sink condition in Dissolution?

11 Answers   AB InBev, Dr Reddys, Piramal Healthcare,

---

1.mechanism of action -metformin 2.schedule y related to wat 3.define half life 4.wat is teratogenicity

3 Answers   GVK,

---

What is difference between method validation and Verification?

3 Answers   Dr Reddys, Glenmark, Larus,

---

HOW TO PERFORM SATURATION SOLUBILITY IN DISSOLUTION METHOD DEVELOPMENT?

0 Answers   Micro Labs,

---

---

what is the major definition and difference between uniformity of content and content uniformity as official test for all tablets?

4 Answers   Wockhardt,

---

What is the difference between polarimeter lamp and IR lamp?

0 Answers  

---

pharmacovigilance opportunities in Hyderabad

0 Answers  

---

Whhat is the justification for stability study in api missed stations through deviations and statistical analysis is required.

0 Answers   Aurobindo,

---

If a drug possesses zwitter ionic nature then can it plays any important role in pharmacy?

3 Answers   Cipla, Orion Laboratories,

---

how to calculate the potency of gentamycin sulfate

0 Answers  

---

any deviation can be changed into the change control?

4 Answers  

---