Crossword-Solution: NITRATES 8 letters, 20 clues 🏆 scrabble score: 8

Paper proper for producing an amphitype picture may be prepared either with the ferro-tartrate or the ferro-citrate of the protoxide, or the peroxide of mercury, or of the protoxide of lead, by using creams of these salts, or by successive applications of the nitrates of the respective oxides, singly or in mixture, to the paper, alternating with solutions of the ammonia-tartrate or the ammonia-citrate of iron, the latter solution being last applied, and in more or less excess.

This country thereupon proceeded to levy an increased duty on the exportation of nitrates from the Atacama region.

Nitrogen exists in many compounds, such as the nitrates; but the great source of it all is the atmosphere.

Some of these, like rubber, or nitrates, or mineral and vegetable oils, have rapidly become quite indispensable materials, consumed by the industrial countries on an immense scale.

There are other bacteria commonly found in soil that uptake ammonia gas and change it to the nitrates that plants and soil life forms need to make other proteins.