2 adjectives to describe iodides

The means which have proved most efficacious in decomposing these bases are the action of oxidizing and reducing agents, of bromine, of organic iodides, of concentrated acids and alkalies, and of heat.

Here, then, we have essentially the same chemical elements that we have seen employed in the daguerreotype,namely, iodine, bromine, and silver; and by their mutual reactions in the last process we have formed the sensitive iodide and bromide of silver.

2 adjectives to describe  iodides