Answer Posted / s jagadeesh chandra

First of all DST is a crystallin hydrate.

Dst is used in factor determination using karl fischer
titration bcos....

1) It absorbs precise amounts of water.
2) It contains therotically caliculated water content.
ie.. 15.66% of water.Water content in dst is constant
in more cases,ie it can with stand small changes in
climatic and temp changes in laboratory.
3) Easily available in market with 100% purity in reagent
grade.And it is a primary standard too.

what is the exact classification of pharmaceutical industry (area wise) as per cleaning limits(Class A.B.C.D)

1926

---

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

3652

---

which is the best pharma company u think

2205

---

what is the defination of Change Control given in various guidelines?

3163

---

If calibration of 12 bowl dissolution apparatus does not meets single stage procedure, how can you precede calibration?

4744

---

Can we quantify bound water by KF titrator ?

1407

---

What is the difference between uniformity of content and content uniformity as official test for all tablets?

2940

---

when will andhara pradesh government announces drug inspector posts and when will be the exam conducted? please inform me..

2439

---

How we define validity of any Reagent , Indicator and Volumetric Solutions

1909

---

What is the difference of vacuum pressure and vapor pressure?

6419

---

plzzz..send me the pevious papers of drug inspector for uppsc....i.l b highly oblige

2522

---

why you choose pharmacy as a career what is pharmacists ideal job what is your goal in ur profession and how you achieve it

2587

---

the international interview procedure for a job.

2377

---

How we fix the validity period of a volumetric solution and re-standardization due date?

5345

---

How to select HPLC column for a particular product?

3627

---