| The niter was obtained from lixiviation of nitrous earth found under old houses, barns, etc. |
| In Death Valley thirty thousand acres of borax, niter, soda, and salt deposits have been located. |
| Maybe Boone noticed crystals of potassium nitrate there, because the deep, loose floor was soon being mined for niter to make gunpowder. |
| The fresh juice supplying 30 percent potassium and the mucilage a good amount of niter and sodium. |
| Potassium nitrate, also known as niter or saltpeter, has been used to preserve meat and is found in toothpaste formulated for sensitive teeth. |
| We therefore conclude, that either the niter or the small excess of potassium bromide, or both together, produce the change. |
