1. Aly, O. M., and S. D. Faust: Determination of Phenoxyacetic Acids with J and Phenyl J acids. Anal. Chem. 36, 2200 (1964).
2. Ambler, J. A.: Impurities in white sugars. III. Determination of labile organic sulfur. Ind. Eng. Chem., anal. ed. 3, 341 (1931).
3. Ambler, J. A., J. B. Snider, and S. Byall: Impurities in white sugars. II. Determination of sulfates, sulfites and aldehyde-sulfites. Ind. Eng. Chem., anal. ed. 3, 339 (1931).
4. Anderson, C. A., and J. M. Adams: Colorimetric determination of Dexon residues in crops. J. Agr. Food Chem. 11, 474 (1963).
5. Anonymous: Absorption of arsenic by the cane crop. Cane Growers’ Quart. Bull. (Queensland) 1, 41 (1933).