to contain 1.25g imidacloprid and .56g flumetherin. It also claims:
"trans z-1/z2 ratio:
max 66% trans z-1 and min 34% trans z-2"
I assume this tells us how quickly it dissipates from the collar?
A great many organic compounds can exist in several forms called isomers. The atoms are hooked together in the same exact order in a pair of isomers, however the two or three dimensional geometry of how they are hooked together varies. The tox and pesticide properties of two different isomers can vary greatly. The "trans z - 1" simply specifies that this particular flumetherin contains a max of 66% of the isomer where the bonds across the cyclopropane ring are trans and the arrangement of atoms across the double bond are z -1. It has nothing to do with release rate.
Dick
" Any discovery made by the human mind can be explained in its essentials to the curious learner." Professor Benjamin Schumacher talking about teaching quantum mechanics to non scientists. "For every complex problem there is a solution which is simple, neat and wrong." H. L. Mencken
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