Answer Posted / nishabd

KBr is inert it doesnt react with the sample to be analysed...it helps in better resolution of the peaks as it doesnt show absorbance in the IRregion..it is highly stable, so the background scanned once can be used for a longer duration of analysis(i.e:until many containers of a batch for example)

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

906

---

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

2089

---

Basic principle of ESI?

2206

---

What is the diffrence in japan mkt requirement in analytical method validation over US?

770

---

Why Ethanol is Used for Standardization of GC Head space?

4265

---

Principle of single pan analytical balance

5194

---

What is Band broading effect explain

1939

---

if tech transfer fails whay require to do?

893

---

why digestion require in icpms?

825

---

Which are the diffrent grades of api in pharma?

814

---

why xterra column require to use at higher ph?

967

---

what is third integration

2030

---

why multimedia dissolution require to do?

866

---

What is related substance by HPLC impurity limits as per USP?

1153

---

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1751

---