optical rotation

21 cfr

21 CFR stands for Title 21 of the Code of Federal Regulations. It is a set of regulations issued by…

3 years ago

Difference class A and class b glassware use in laboratory

The terms "Class A" and "Class B" are commonly used to describe different types of glassware in laboratory settings, particularly…

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

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

Types of Drug stability studies

Stability studies are mainly of following types: • Long term stability. • Intermediate stability. • Accelerated stability. • In-use stability.

3 years ago

Interview questions and answers karl Fischer titration

Guide line935 USPType Karl Fischer titrationColoarimatry and volumetry titrationColarimatry titration because use of a electromagnetic filedVolumetric titrationThere is a manually…

3 years ago

Why only Water & Sodium Tatrate Is Use For Calibration Of Karl Fischer Titrator?

DST is primary standard and it is stable up to 150 degree Centigrade. It release free water molecules easily when…

3 years ago

What is polarize light?

Polarized light waves are light waves in which the vibrations occur in a single plane. The process of transforming unpolarized…

3 years ago