Figure 5.

Iodation performance of sprayers indicated by mean and standard deviation of concentrations achieved using manual and machine mixing of KIO3 solution and salt. NB: a shovel is used to mix the salt on heap while curling and re-spreading salt is used on mat/polyethylene sheet.

Assey et al. BMC Public Health 2009 9:187   doi:10.1186/1471-2458-9-187
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