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Limits of interference by iron, manganese, aluminium and phosphate in the EDTA determination of calcium in the presence of magnesium using Cal‐red as indicator
Author(s) -
Moss P.
Publication year - 1961
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740120105
Subject(s) - magnesium , manganese , calcium , chemistry , aluminium , phosphate , inorganic chemistry , nuclear chemistry , biochemistry , organic chemistry
Under the conditions described the determination of calcium in the presence of an equivalent amount of magnesium, using Cal‐red as indicator, could tolerate up to 2.0 mg. of iron, 1.0 mg. of manganese, 3 mg. of aluminium and up to 6 mg. of phosphate in 50 ml. of solution.