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Get one of these babies for less than the price of 2 grams!
These were sold in the 70s and 80s, and still show up on auction sites. Here's a photo of a real one.
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this post was submitted on 07 Oct 2026
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Vintage and Retro Ads, Promos, Fliers, Etc.
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For sharing images of vintage magazine ads, fliers, promos, etc.
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hplc-ms can definitely be used with just a database since the ms fragmentation pattern is characteristic for a given compound. it's more accurate with some internal standard especially for quantification but there's typically a uv-vis absorption spectrometer module too so you can compare against the database ε as long as all the peaks are well separated and you can identify them from the ms. but the margin of error will be a lot higher than getting the offset of your analyte from a set of standards of known concentration.