Re: pinhole Re: Tests for Fe+2 and Fe+3.....

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From: NFetter@aol.com
Date: Tue Feb 29 2000 - 18:15:05 PST

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From: NFetter@aol.com
Message-ID: <c3.2602349.25edd729@aol.com>
Date: Tue, 29 Feb 2000 21:15:05 EST
Subject: Re: pinhole Re: Tests for Fe+2 and Fe+3.....

Hi Yibi,
Rust is iron(III) oxide and is insoluble in water, so the thiocyanate test
may not work. A small amount of hydrochloric acid (HCl) may convert the rust
to ferric ions which will complex with SCN ions.
Neil Fetter

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