3 adjectives to describe nitrate

The Germans have boasted to the neutral visitor that their artificial nitrates are just as good fertilisers as those imported from South America.

If the wound is at once well wiped out, and a stick of solid nitrate of silver (lunar caustic) rapidly applied to the entire surface of the wound, little danger is to be apprehended.

Organic matters may be detected by adding a little nitrate of silver to the water, filtering off from any precipitate of chloride of silver, and exposing the clear liquid to sunlight; a clean stoppered bottle being the most convenient vessel to use.

3 adjectives to describe  nitrate