Question
Explain the principle, instrumentation and environmental applications of High-Performance Liquid Chromatography
Answer :
Word Count : 1281
________ ______ ________ _______ ___ __________ _____ ______ ________ _____ ____.
______ ________ ___ _______ ____ ____.
___ ________ ____ _____ _____ _____ ___.
_______ ________ __________ ___ ____.
______ __________ ___ ____ _________ ________.
_________ _________ ________ _______ _________ _____ _________ __________ ___.
__________ _________ ________ __________ _______ __________ ________ _______ _________ _______ _____.
___ ___ _______ ____ __________ ________ __________ ________ ________.
______ ____ ________ _____ ____ ________ ______ ______ ________ ______.
_____ ________ _________ _____ ____ __________ _________.
___ _____ _________ ___ ____ _____ _______ ______ ___.
________ ___ ___ ______ _______ ________ ________ __________ ________ __________ ____ _____.
___ __________ ________ _______ ______ ____ ___ ________ ________ ________ _____.
_________ _________ ______ ________ _______.
____ _______ ______ _____ ___ ________ __________ _____ _____ _____.
_______ _________ ______ ______ __________ ______ _________ ________ ____.
___ ________ _______ __________ __________ _________.
__________ _____ _____ _________ _____ ________ _____ _________ ___ ____ _________ ____.
______ _______ _____ _______ ___ _________ ___ _________ ________ ______.
___ _________ __________ _________ ____ ________.
____ _________ _____ ____ _______.
_______ _____ __________ __________ ____ ________ ___ ________ ________ ______.
________ ______ ______ __________ _____ ______ ________ __________ _____ _______ ___ ___.
_______ ______ _______ ___ _____ _____.
_________ ____ _________ _________ ________ ______ ________.
___ __________ _______ ________ _________.
_____ ______ __________ ____ ___ ___ _________ ________ ____ _____ ________ ________.
__________ ____ __________ __________ ___ ________ _____ _____ _________.
_________ ___ _________ ______ ____.
__________ ________ ____ ____ ________ ________.
________ _____ ______ ____ ______ _______ _________ _____ _________.
___ ___ ______ ____ _______ ______ __________ ___ ________ _______ ___.
_______ _______ _____ ___ ____ ____ ______ _________ _______.
_____ _________ ____ ________ _________ ________ ___ ___ ___ _______.
________ ___ ___ ___ _______ _________.
__________ _________ ________ ________ ____.
__________ _________ ______ ____ _____ ______ ______.
_____ __________ ____ ____ ___ _________ ______ ______ _________ ______ ________.
__________ ___ ______ _____ _____ __________ _______ _______ _____ _________.
_________ ______ ____ ________ _________ ____ __________ _______.
______ _____ _____ _____ _________ _________ ______ __________.
_________ ____ _______ _________ _________ ____ ____ ________ ______ ___ __________.
__________ _________ ________ _______ _____ ______ _____ ______.
__________ _______ ___ ________ ______ ____ ___ ____ ____.
_____ _______ ______ _____ _____.
__________ ______ _________ ______ _________.
_______ _______ __________ _______ _______ ____ ________ __________ _____ ___ _______ _________.
_______ _________ _________ __________ ___.
______ ______ ______ ________ ____ _________ __________ _________ _____ ____ _____.
_____ ______ ________ _______ ___ _________ _______ _____ ____ _________ _________ ________.
___ __________ _________ ___ _________ ________ ________ _________ _____ ________.
__________ ____ ____ ____ _________ ________ _________ _____ ____ _____ ____ _________.
_______ ________ ______ ________ _______ ____ _____.
_________ _____ ___ _____ ___ __________ ________ _______ ______.
__________ ____ ___ ______ ____ __________ _______ ______.
________ _________ ___ ___ __________.
___ _____ _________ ____ __________.
_________ _______ ____ _____ _________ __________ __________.
______ _________ ___ ____ _________.
___ ________ _______ _________ __________ ______ _________ _______.
______ __________ _______ ______ ___ ________ __________ _________ _________ ____ _______ _______.
_______ ______ ________ __________ ___ _____ ______ ___ ______ _____.
_____ ___ ____ _________ ___ ______.
________ ___ ________ _____ ________ ________ _________ _______ ____ ___ _________ ______.
_____ ___ ____ _____ _______ ___.
_____ _______ _________ __________ _________ _________ __________ ____ __________ __________ ____ ___.
__________ ________ _____ ____ ________ __________ ____ ___ __________ __________ _________.
_________ __________ _______ ____ _________ _____ _________ _______.
______ _____ _____ _____ ________ _____ _____ _______ ___ ____.
_______ ________ ______ __________ __________ _______ ____ _____ __________ ______ __________ ________.
____ _______ ___ ____ ___.
____ ________ ________ _____ _______ _________ _____ __________.
__________ _________ ______ _________ ___ ____ _______ ______ ______.
_______ _________ ___ ____ _________.
________ _____ ____ ________ ______.
__________ ___ _________ _________ ____ _______ ___.
________ ___ _______ _____ ________ ______ ___ ________ __________ ____ __________ _________.
______ _______ ______ ____ _____.
__________ ___ _________ __________ ______ _________ _____ _____ ____ _____ ___.
_______ _______ _____ ________ ____ ______ _____.
_______ ___ ______ ________ ______ ____.
___ _____ ____ __________ ____ ________ ________ __________ ____ _____ ________.
_____ ________ _____ _____ _________ ______ ____ _________ ____ _________ _______ ______.
_________ _______ _____ ___ _______ _____.
_________ _____ ________ __________ ____ _______ ________ _________ __________ ________ _________ __________.
_________ _______ ______ ____ ___ _____ _________ _________ ______ _____.
____ _________ _______ ______ _________ ____ ___.
_____ _____ ________ _______ _______ ______ ______.
____ ______ ____ _______ _____ _________ __________ ___ __________ _______.
____ _______ _____ ________ _____ _____.
_______ ___ _________ ________ ___ ____ ________ _____ ____.
____ _____ __________ _______ ________ __________ ______ ______.
________ _____ _______ ______ _______ _____ ______ ___ ________.
_________ _____ ________ ________ ___ _____.
_______ _____ _________ _____ ________ _____.
____ ___ ___ _____ _________ ____.
______ ___ ___ ______ ___ ______ _____ _______ _____ _____ _______.
________ _________ ____ __________ _____ _______ ____ _______.
_____ ________ ________ _______ _______ ____.
__________ __________ ___ ____ _______ ________.
___ ____ ____ _____ _________ ____ ______ ________ ___ ________ ______ _______.
______ ______ ____ ____ __________.
________ _____ _____ _________ ______ __________ __________ __________.
_________ _______ _______ ______ _____ _____ ______ __________ _________ ___ _________.
_______ ___ _______ ____ ____ ______.
_______ ____ _________ __________ ______ ______ _____ ____.
______ _____ __________ ____ __________ _______ ___ _____.
________ ___ __________ ______ ____ _________ ________ ________ _________ ______ ______ ________.
___ _____ _____ _____ ____ ___ ________.
_______ ________ __________ _________ _________ ____.
______ __________ _____ ___ ____ ______ _____ ____ ______.
___ __________ ____ _________ ________ __________ ____ __________ _________.
_______ _____ ________ _______ _____ ____ _______ _____ ________ ______ __________.
_____ _____ ________ ______ ____.
____ ___ __________ ________.
Skip in 10
High-Performance Liquid Chromatography (HPLC) is one of the most powerful analytical techniques used in environmental chemistry to separate, identify, and quantify components in complex mixtures. The principle of HPLC lies in the differential partitioning of solutes between a stationary phase and a mobile phase under high pressure. When a liquid sample is injected into the system, the constituents are carried by the mobile phase through a packed column containing the stationary phase. Each compound interacts differently with the stationary phase depending on its polarity, size, or chemical affinity, which results in differential migration and subsequent separation. The detection of separated analytes allows quantification, making HPLC a versatile tool for environmental monitoring. The fundamental principle of HPLC relies on adsorption, partition, ion-exchange, or size-exclusion mechanisms. In partition chromatography, analytes distribute themselves between the liquid mobile phase and a liquid-like stationary phase that coats the solid support in the column. Compounds with higher affinity for the stationary phase move slower, whereas those with greater affinity for the mobile phase move faster, enabling separation. The efficiency of separation is further enhanced by applying high pressure to force the mobile phase through tightly packed columns, which reduces diffusion and improves resolution. HPLC also allows modification of the mobile phase composition (isocratic or gradient elution) to optimize separation of analytes with varying chemical properties. Retention time, the period a compound takes to elute from the column, is a critical parameter used for identification, while the peak area in the chromatogram provides quantitative information. The instrumentation of HPLC consists of several key components. The solvent reservoir stores the mobile phase, which can be a single solvent or a mixture depending on the analysis. The degasser removes dissolved gases to prevent bubble formation that could interfere with the flow or detection. The pump is the heart of the HPLC system, generating high pressure (up to 6000 psi or more) to deliver the mobile phase through the column
______ _______ ___ ________ _______ _________ ______ _________ ___.________ ______ ________ _______ ___ __________ _____ ______ ________ _____ ____.
______ ________ ___ _______ ____ ____.
___ ________ ____ _____ _____ _____ ___.
_______ ________ __________ ___ ____.
______ __________ ___ ____ _________ ________.
_________ _________ ________ _______ _________ _____ _________ __________ ___.
__________ _________ ________ __________ _______ __________ ________ _______ _________ _______ _____.
___ ___ _______ ____ __________ ________ __________ ________ ________.
______ ____ ________ _____ ____ ________ ______ ______ ________ ______.
_____ ________ _________ _____ ____ __________ _________.
___ _____ _________ ___ ____ _____ _______ ______ ___.
________ ___ ___ ______ _______ ________ ________ __________ ________ __________ ____ _____.
___ __________ ________ _______ ______ ____ ___ ________ ________ ________ _____.
_________ _________ ______ ________ _______.
____ _______ ______ _____ ___ ________ __________ _____ _____ _____.
_______ _________ ______ ______ __________ ______ _________ ________ ____.
___ ________ _______ __________ __________ _________.
__________ _____ _____ _________ _____ ________ _____ _________ ___ ____ _________ ____.
______ _______ _____ _______ ___ _________ ___ _________ ________ ______.
___ _________ __________ _________ ____ ________.
____ _________ _____ ____ _______.
_______ _____ __________ __________ ____ ________ ___ ________ ________ ______.
________ ______ ______ __________ _____ ______ ________ __________ _____ _______ ___ ___.
_______ ______ _______ ___ _____ _____.
_________ ____ _________ _________ ________ ______ ________.
___ __________ _______ ________ _________.
_____ ______ __________ ____ ___ ___ _________ ________ ____ _____ ________ ________.
__________ ____ __________ __________ ___ ________ _____ _____ _________.
_________ ___ _________ ______ ____.
__________ ________ ____ ____ ________ ________.
________ _____ ______ ____ ______ _______ _________ _____ _________.
___ ___ ______ ____ _______ ______ __________ ___ ________ _______ ___.
_______ _______ _____ ___ ____ ____ ______ _________ _______.
_____ _________ ____ ________ _________ ________ ___ ___ ___ _______.
________ ___ ___ ___ _______ _________.
__________ _________ ________ ________ ____.
__________ _________ ______ ____ _____ ______ ______.
_____ __________ ____ ____ ___ _________ ______ ______ _________ ______ ________.
__________ ___ ______ _____ _____ __________ _______ _______ _____ _________.
_________ ______ ____ ________ _________ ____ __________ _______.
______ _____ _____ _____ _________ _________ ______ __________.
_________ ____ _______ _________ _________ ____ ____ ________ ______ ___ __________.
__________ _________ ________ _______ _____ ______ _____ ______.
__________ _______ ___ ________ ______ ____ ___ ____ ____.
_____ _______ ______ _____ _____.
__________ ______ _________ ______ _________.
_______ _______ __________ _______ _______ ____ ________ __________ _____ ___ _______ _________.
_______ _________ _________ __________ ___.
______ ______ ______ ________ ____ _________ __________ _________ _____ ____ _____.
_____ ______ ________ _______ ___ _________ _______ _____ ____ _________ _________ ________.
___ __________ _________ ___ _________ ________ ________ _________ _____ ________.
__________ ____ ____ ____ _________ ________ _________ _____ ____ _____ ____ _________.
_______ ________ ______ ________ _______ ____ _____.
_________ _____ ___ _____ ___ __________ ________ _______ ______.
__________ ____ ___ ______ ____ __________ _______ ______.
________ _________ ___ ___ __________.
___ _____ _________ ____ __________.
_________ _______ ____ _____ _________ __________ __________.
______ _________ ___ ____ _________.
___ ________ _______ _________ __________ ______ _________ _______.
______ __________ _______ ______ ___ ________ __________ _________ _________ ____ _______ _______.
_______ ______ ________ __________ ___ _____ ______ ___ ______ _____.
_____ ___ ____ _________ ___ ______.
________ ___ ________ _____ ________ ________ _________ _______ ____ ___ _________ ______.
_____ ___ ____ _____ _______ ___.
_____ _______ _________ __________ _________ _________ __________ ____ __________ __________ ____ ___.
__________ ________ _____ ____ ________ __________ ____ ___ __________ __________ _________.
_________ __________ _______ ____ _________ _____ _________ _______.
______ _____ _____ _____ ________ _____ _____ _______ ___ ____.
_______ ________ ______ __________ __________ _______ ____ _____ __________ ______ __________ ________.
____ _______ ___ ____ ___.
____ ________ ________ _____ _______ _________ _____ __________.
__________ _________ ______ _________ ___ ____ _______ ______ ______.
_______ _________ ___ ____ _________.
________ _____ ____ ________ ______.
__________ ___ _________ _________ ____ _______ ___.
________ ___ _______ _____ ________ ______ ___ ________ __________ ____ __________ _________.
______ _______ ______ ____ _____.
__________ ___ _________ __________ ______ _________ _____ _____ ____ _____ ___.
_______ _______ _____ ________ ____ ______ _____.
_______ ___ ______ ________ ______ ____.
___ _____ ____ __________ ____ ________ ________ __________ ____ _____ ________.
_____ ________ _____ _____ _________ ______ ____ _________ ____ _________ _______ ______.
_________ _______ _____ ___ _______ _____.
_________ _____ ________ __________ ____ _______ ________ _________ __________ ________ _________ __________.
_________ _______ ______ ____ ___ _____ _________ _________ ______ _____.
____ _________ _______ ______ _________ ____ ___.
_____ _____ ________ _______ _______ ______ ______.
____ ______ ____ _______ _____ _________ __________ ___ __________ _______.
____ _______ _____ ________ _____ _____.
_______ ___ _________ ________ ___ ____ ________ _____ ____.
____ _____ __________ _______ ________ __________ ______ ______.
________ _____ _______ ______ _______ _____ ______ ___ ________.
_________ _____ ________ ________ ___ _____.
_______ _____ _________ _____ ________ _____.
____ ___ ___ _____ _________ ____.
______ ___ ___ ______ ___ ______ _____ _______ _____ _____ _______.
________ _________ ____ __________ _____ _______ ____ _______.
_____ ________ ________ _______ _______ ____.
__________ __________ ___ ____ _______ ________.
___ ____ ____ _____ _________ ____ ______ ________ ___ ________ ______ _______.
______ ______ ____ ____ __________.
________ _____ _____ _________ ______ __________ __________ __________.
_________ _______ _______ ______ _____ _____ ______ __________ _________ ___ _________.
_______ ___ _______ ____ ____ ______.
_______ ____ _________ __________ ______ ______ _____ ____.
______ _____ __________ ____ __________ _______ ___ _____.
________ ___ __________ ______ ____ _________ ________ ________ _________ ______ ______ ________.
___ _____ _____ _____ ____ ___ ________.
_______ ________ __________ _________ _________ ____.
______ __________ _____ ___ ____ ______ _____ ____ ______.
___ __________ ____ _________ ________ __________ ____ __________ _________.
_______ _____ ________ _______ _____ ____ _______ _____ ________ ______ __________.
_____ _____ ________ ______ ____.
____ ___ __________ ________.
IGNOU ACADEMY
Your IGNOU journey, made easier.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
Continue Reading — It's Free
Sign in with Google to unlock more of this answer.
✓ Free access
✓ Unlock up to 60% of the answer
✓ No payment required
✓ Unlock up to 60% of the answer
✓ No payment required
Quick Google sign-in. No separate registration form.