Transcription of PREFACE - Nu-Chek Prep
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PREFACE - Nu-Chek Prep
Page 1 PREFACE Nu-Chek has been preparing your highly purified lipid compounds both as individual standards and as model mixtures for the past 45 years. But that s not the entire story. We go back to times when criteria of purity was based on such things as Iodine value and melting point. Pure Methyl Oleate was a compound that contained enough inherent Stearate and Linoleate to give the Oleate its theoretical Iodine value. Palmitic Acid was often designated as pure when it contained enough Myristate and Stearate to give a correct melting point. Before the advent of GLC and TLC, triglycerides were synthesized by the interesterification of what was assumed to be pure methyl ester.
As this catalog goes to press Nu-Chek-Prep., Inc. will be starting their 45th year in a continuing policy of making the finest lipid-organics available at the lowest possible prices to the world wide scientific com - munity. Our objective is simply to serve the lipid organic field to the best of our abilities.
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