Question about HPLC Results
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I found this test result today on a COA from a vendor we discuss here quite often. They have two lots currently for sale, but only one of them show this spike on the left of the HPLC graph, and I would like to know what it is. I dont recall seeing it before on any COA i have looked at... but I am a noob.
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Histidine is something often used in USA labs as a filler. This batch was 100% manufactured in the United States.
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