1. Define sparging. What is the significance of this step in an HPLC analysis?

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter33: Automated Methods Of Analysis
Section: Chapter Questions
Problem 33.5QAP: Give the advantages and disadvantages of sequential injection analyzers compared to traditional flow...
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1. Define sparging. What is the significance of this step in an HPLC analysis?

2. What are the two types of pre-column? What is the purpose of each type?

3. What are the two types of packing used in HPLC column? Describe each type.

 

Please answer numbers 1-3. Need asap

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