What is C18 2?
                                
                                
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                                    4 min read                                
                            
                                Over 50% of the fatty acid composition in common cooking oils like safflower and corn is C18:2, also known as linoleic acid. However, the term "C18 2" also refers to a specific type of C18 column used in analytical chemistry. Context is key to understanding what is C18 2.