Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

921

---

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

932

---

in hplc chromatogram started from left to right and in uv spectrum started from left to right

959

---

If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

783

---

How to set analytical specification for combination products?

826

---

what is mean by covalidation

788

---

What is the requirement for brazil in the analytical method vslidation comparr to ich?

791

---

Why only 1.2 million lux hours require in photostability study?

1048

---

what is diffrence between specificity and selecivity?

798

---

analytical method validation require to with respect to release specification or shelf life specification?

807

---

In which situation we require to analytical method validation of excipient?

803

---

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

737

---

how require to interprit the method precision data of hptlc?

830

---

in api coa contains only process impurities and in product coa contains degradation impurities?

707

---

Which are the diffrent grades of api in pharma?

785

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