1977-02-01

Sulfate Analysis by the Barium Perchlorate Titration and the BCA Methods 770065

The barium ion titration method as used for determining the amount of sulfuric acid and soluble sulfate aerosol emitted by automobiles is described. Results obtained by this method are compared with those obtained by the barium chloranilate (BCA) method. It is concluded that the described titration method is a low-cost and convenient method for the analysis of automotive derived sulfates. Its precision is good, its sensitivity is adequate, and its accuracy is as good as the BCA method.

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