Gas chromatography (gc)

How to Re-test defined in finish product in pharma

In the pharmaceutical industry, a "finished product retest" refers to the process of evaluating a sample from a previously manufactured…

3 years ago

Which pharma Aqueous product give bring more water loss 60℅Rh OR 90℅ Rh

It's 60℅ Rh because (100 - 60 = 40 ℅ loss water (100-90 = 10 ℅ loss water Here 100…

3 years ago

what is Intermediate, Accelerated, Long term testing-stability

Accelerated testing Increase the rate of chemical or physical change of drug product by using exaggerated condition as part of…

3 years ago

Forced degradation(stress testing) and accelerated stability testing are same?

Here both are the different Accelerated stability testing only 40°C/75 RH Study here  time period are 1,3,6,12 Each batch perform…

3 years ago

Type of buffer in Hplc

Phosphate buffer Citrate buffer Formate buffer Acetate buffer Tris(hydrixymethyl) -aminomethane Phosphate buffer Pka 2.1 Ph range 1.1 tob3. 1 Pka…

3 years ago

OOS- Out of Specification Investigation – Interview Question and Answer

Do we need to raise an OOS, if OOS result is observed during API Method transfer First defined which lab…

3 years ago

How to investigation and take CAPA ? Deviation, Lab incident, OOS

Why investigation? To identified error  Random error Impacts precision (Weight error dilution  error injection to injection error Example document error, document error…

3 years ago

According USP Chapter 621 : Adjustment of Mobile Phase

Adjustment of Mobile Phase Adjustment in composition of the mobile phase Adjustment ph of the aqueous component of the mobile…

3 years ago

(621) USP CHAPTER FOR CHROMATOGRAPHY

All chapter are use full for ADJUSTMENT of chromatography, TLC etc  In such case some questions arias that Why adjustment…

3 years ago

HPLC Calibration As per IPC Pharmacopeia give guidance

HPLC Calibration we have perform as earlier as per protocol Company will provided Like example  Shimanzu HPLC calibration will perform…

3 years ago