307.3
[1]. Laverne H Scroggins, Collaborative Study of the Microanalytical Oxygen Flask Sulfur Determination with Dimethylsulfonazo III as Indicator, Journal of Association of Official Analytical Chemists,1974, 22-25.
[2]. OsamuKondo, et al. Determination of sulfate in river water by flow injection analysis. Analytica Chimica Acta. 192, 353-35.
P21-P24-P270-P271-P20-P302+P352-P304+P340-P330-P32+P34-P405-P501