what is the role of thioglycollic acid in iron limit test?
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The limit test for iron is based on the reaction of iron in ammonical solution in the presence of citric acid with thioglycolic acid. When a pale pink to deep reddish purple colour is formed due to the ferrous thioglycote complex. ... The iron free citric acid is used to complex metal cations other than iron if any.
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The limit test for iron is based on the reaction of iron in ammonical solution in the presence of citric acid with thioglycolic acid. When a pale pink to deep reddish purple colour is formed due to the ferrous thioglycote complex. ... The iron free citric acid is used to complex metal cations other than iron if any.
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