Summary
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1.
A new method is proposed for the volumetric determination of sulfate ions; it is simple to carry out and is suitable for field conditions.
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2.
By this method determinations can be made on test samples containing 0.5–50 mg of sulfate ions accurately within 1–2%.
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3.
The method is suitable for the rapid and accurate determination of sulfates in natural waters when the amount of chloride present is not more than seven times as great as the amount of sulfate and the amount of calcium is not more than one -third of the amount of SO 2−4 .
Literature cited
S. A. Voznesenskii, Internal-complex Compounds and Their Significance for Analytical Chemistry, GONTI, 1938, pp. 109–114.
Frank J. Welcher, Organic Analytical Reagents,. N. Y., 1947, pp. 468, 469.
P. A. Clifford, J. Assn. Official Agr. Chem., 1943, pp. 26–53.
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Nechiporenko, G.N. Determination of sulfate ions by direct titration with lead nitrate with dithizone as indicator. Russ Chem Bull 7, 337–340 (1958). https://doi.org/10.1007/BF00913990
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DOI: https://doi.org/10.1007/BF00913990