Knowledge Base
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![[Reader Insight] Why Are Chromatograms](//www.welch-us.com/cdn/shop/articles/peak-shaped-1080_0fa06ef8-e134-4e03-ab35-a240ee6b1046_535x.webp?v=1733814573)
![[Reader Insight] Why Are Chromatograms "Peak"-Shaped: A Guide for New Laboratory Analysts](//www.welch-us.com/cdn/shop/articles/peak-shaped-1080_0fa06ef8-e134-4e03-ab35-a240ee6b1046_345x345@2x.webp?v=1733814573)
[Reader Insight] Why Are Chromatograms "Peak"-Shaped: A Guide for New Laboratory Analysts
Learn why chromatograms have the shape of peaks, understand their formation and what they reveal about analyte distribution and column efficiency. -
![[Reader Insight] Enhancing Analytical Sensitivity with Pre-column Derivatization in Mass Spectrometry](//www.welch-us.com/cdn/shop/articles/precolumn-1080_ab400201-ff38-476a-92f1-e06f01c2eb6b_535x.webp?v=1734677502)
![[Reader Insight] Enhancing Analytical Sensitivity with Pre-column Derivatization in Mass Spectrometry](//www.welch-us.com/cdn/shop/articles/precolumn-1080_ab400201-ff38-476a-92f1-e06f01c2eb6b_345x345@2x.webp?v=1734677502)
[Reader Insight] Enhancing Analytical Sensitivity with Pre-column Derivatization in Mass Spectrometry
Learn how pre-column derivatization enhances compound detectability by improving chromatographic behavior, boosting detector response, and reducing polarity. -
Advanced Strategies for Retaining Polar Compounds in Chromatography: Case Studies and Practical Applications
Discover effective strategies and case studies for retaining polar compounds in chromatography, including column selection and practical applications. -
![[Reader Insight] Matrix Effects in Mass Spectrometry Analysis: Causes and Solutions](//www.welch-us.com/cdn/shop/articles/matrix-effects-1080-1121_81d8e64f-66d9-4673-9428-ca576842fc9b_345x345@2x.webp?v=1742880575)
[Reader Insight] Matrix Effects in Mass Spectrometry Analysis: Causes and Solutions
Discover practical strategies to tackle matrix effects in mass spectrometry, from purification to isotopic standards, ensuring accurate and reliable results. -
![[Reader Insight] A Guide to Selective Columns for Isomer Separation](//www.welch-us.com/cdn/shop/articles/selectivity-1080_345x345@2x.webp?v=1742519992)
[Reader Insight] A Guide to Selective Columns for Isomer Separation
Explore specialized chromatography columns with shape selectivity and spatial interactions for effective isomer separation, including phenyl/PFP, amide, and C8 columns, etc. -
![[Reader Insight] A Brief Discussion on CMPA Method for Enantiomeric Separation: Some Practical Insights](//www.welch-us.com/cdn/shop/articles/cmpa-1080_535x.webp?v=1742262518)
![[Reader Insight] A Brief Discussion on CMPA Method for Enantiomeric Separation: Some Practical Insights](//www.welch-us.com/cdn/shop/articles/cmpa-1080_345x345@2x.webp?v=1742262518)
[Reader Insight] A Brief Discussion on CMPA Method for Enantiomeric Separation: Some Practical Insights
In this article, we explore practical insights on CMPA method for enantiomer separation using cyclodextrin additives, optimizing conditions with practical tips for efficient chromatographic performance.
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Understanding the C18 Columns: Activation, Maintenance, and Usage Tips
Discover best practices for C18 column activation and maintenance, including tips to achieve reliable and efficient analytical results. -
Gotcha, Ghost Peaks! Halloween and Chromatography
Learn how ghost peaks in HPLC affect chromatograms and discover strategies to minimize them, including Welch’s Ghost-Buster Column for enhanced chromatographic clarity. -
Techniques Behind Doping Detection in Horse Racing And How They Are Performed
Doping detection is important in maintaining fair play in horse racing. Learn instrumental analysis techniques and rapid detection methods implemented in the process. -
Selecting the Optimal Flash Column: A Guide to Injection Volume in Purification
Learn how to select flash columns based on injection volume requirements or determine the injection volumes for your flash columns. -
Precautions when Powering On and Off Liquid Chromatography Instruments
Properly powering on and off liquid chromatography instruments are crucial for their lifespan. This guide outlines key steps for safely starting and stopping them. -
A Comparison Between Amino (NH2) Columns and Sugar Columns in Carbohydrate Analysis
Amino (NH2) columns excel in separating various sugars by hydrophilic interactions, while sugar columns use coordination exchange for better separation of monosaccharides and sugar alcohols.
![[Reader Insight] Why Are Chromatograms](http://www.welch-us.com/cdn/shop/articles/peak-shaped-1080_0fa06ef8-e134-4e03-ab35-a240ee6b1046_535x.webp?v=1733814573)
![[Reader Insight] Why Are Chromatograms "Peak"-Shaped: A Guide for New Laboratory Analysts](http://www.welch-us.com/cdn/shop/articles/peak-shaped-1080_0fa06ef8-e134-4e03-ab35-a240ee6b1046_345x345@2x.webp?v=1733814573)
![[Reader Insight] Enhancing Analytical Sensitivity with Pre-column Derivatization in Mass Spectrometry](http://www.welch-us.com/cdn/shop/articles/precolumn-1080_ab400201-ff38-476a-92f1-e06f01c2eb6b_535x.webp?v=1734677502)
![[Reader Insight] Enhancing Analytical Sensitivity with Pre-column Derivatization in Mass Spectrometry](http://www.welch-us.com/cdn/shop/articles/precolumn-1080_ab400201-ff38-476a-92f1-e06f01c2eb6b_345x345@2x.webp?v=1734677502)
![[Reader Insight] Matrix Effects in Mass Spectrometry Analysis: Causes and Solutions](http://www.welch-us.com/cdn/shop/articles/matrix-effects-1080-1121_81d8e64f-66d9-4673-9428-ca576842fc9b_345x345@2x.webp?v=1742880575)
![[Reader Insight] A Guide to Selective Columns for Isomer Separation](http://www.welch-us.com/cdn/shop/articles/selectivity-1080_345x345@2x.webp?v=1742519992)
![[Reader Insight] A Brief Discussion on CMPA Method for Enantiomeric Separation: Some Practical Insights](http://www.welch-us.com/cdn/shop/articles/cmpa-1080_535x.webp?v=1742262518)
![[Reader Insight] A Brief Discussion on CMPA Method for Enantiomeric Separation: Some Practical Insights](http://www.welch-us.com/cdn/shop/articles/cmpa-1080_345x345@2x.webp?v=1742262518)
