Journal Executive Summary - Vol. To the contrary, it wears several faces. Determining total arsenic is fairly straightforward. Several methods are in use, and all work well in the hands of a careful technician. L, it is not considered further.
Most inorganic arsenic is dissolved.
However, in some water more than half the total arsenic is in the form of very fine particulates that can be removed by filters. To help suppliers identify arsenic species, an anion exchange method was modified for use in the field. Discussions about regulating arsenic will be based on national surveys of arsenic occurrence. If these surveys use methods that give incorrect results, little will be gained. Techniques described in this article will lead to more accurate analyses and ultimately to a better regulation.