For as much research as you have done on other things I didn’t know I would have to hold your hand on the basics 
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The thread linked previously says all of those tests were done with samples from DigiKey which has a large selection of LH351D. Also when you use the nickname “dog farts” that is generally referring to 5000K only.
If you really want to go down a rabbit hole you should purchase 5000K and slice them with a razor