<Tr> <Td> Related coagulants </Td> <Td> Iron (II) sulfate Polyaluminium chloride </Td> </Tr> <Tr> <Td_colspan="2"> Except where otherwise noted, data are given for materials in their standard state (at 25 ° C (77 ° F), 100 kPa). </Td> </Tr> <Tr> <Td_colspan="2"> N verify (what is?) </Td> </Tr> <Tr> <Td_colspan="2"> Infobox references </Td> </Tr>

How to distinguish between iron (ii) chloride and iron (iii) chloride