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<p>[QUOTE=&quot;Kentucky, post: 2210528, member: 33176&quot;]Let me barge in here and &#039;splain.&nbsp; The Beilstein test is to test for the presence of halogenated compounds although it is mainly used to test in chlorine is present.&nbsp; It is a very sensitive test and I don&#039;t know any non-halogen containing compounds that will give a positive test.&nbsp; Do you?&nbsp; What are they.&nbsp; I even ran it recently to see if it would work with a butane lighter.&nbsp; I stripped a plastic coated electric wire, stuck it in a butane flame to clean off any residue and heat it up to a temperature such that it would react with any chlorine in the flip I tested, giving some copper chloride which gives the green flame.&nbsp; I touched the hot wire to the flip and melted some material on it.&nbsp; I then returned the wire to the flame and saw the green color.&nbsp; I burned off all the residue, reheated the wire and touched a polyester flip and then burned the residue stuck to the wire in the flame...no green color.&nbsp; Sorry, I have used this test in the lab many times and don&#039;t know of any false positives.[/QUOTE]</p><p><br /></p>

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