Metal precipitants appear in a range of products in addition to dithiocarbamate based products, Epofloc L1-R is a dithiocarbamine which is lower in toxicity and much more stable. The product is much more efficient at removing heavy metals. Special products for treating soils and filter cake.
The metal precipitant products mean that lower residual metal ion concentrations can be achieved. Including in the presence of complexing agents.