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Ferroxyl indicator solution
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<h2 id="formula">Formula</h2> <p>It can be prepared by dissolving 10g <a href="/facts/Sodium_chloride/MWcXl3Mb">sodium chloride</a> and 1g <a href="/facts/Potassium_hexacyanoferrate/czXTV4hd">potassium hexacyanoferrate</a>(III) in distilled water, adding 10 cm3 <a href="/facts/Phenolphthalein/rYnIMcnT">phenolphthalein</a> indicator, then making up to 500 cm3 with distilled water.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"SALTERS ADVANCED CHEMISTRY A2 TECHNICIANS MANUAL" (PDF). benjamin-mills.com. p. 52. <a href="http://benjamin-mills.com/chemistry/sac/techguides/A2.pdf" target="_blank">http://benjamin-mills.com/chemistry/sac/techguides/A2.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>