Selective complexometric determination of palladium, with thiourea as masking agent |
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| Authors: | Raoot K N Raoot S |
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| Institution: | Defence Metallurgical Research Laboratory, Kanchanbagh, Hyderabad-500258, India. |
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| Abstract: | A method is proposed for selective complexometric determination of palladium, thiourea being used as masking agent. An excess of EDTA is added and the surplus EDTA is back-titrated at pH 5-5.5 with lead nitrate, with Xylenol Orange as indicator. Thiourea is then added to decompose the palladium-EDTA complex and the liberated EDTA is again back-titrated with lead nitrate. The interference of various cations has been studied. |
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