Contractions. - Kali-n., or Nitr. Nit.
Present name. - Potassic Nitrate. Kno3.
Nitre, Saltpetre, or Nitrate of Potash.
Characters and Tests. - In white crystalline masses or fragments of striated six-sided prisms, colourless, of a peculiar cool saline taste. Thrown on the fire, it deflagrates; warmed in a test-tube with Sulphuric Acid and copper wire, it evolves ruddy fumes. Its solution acidulated with Hydrochloric Acid gives a yellow precipitate with Perchloride of Platinum. Its solution is not affected by Chloride of Barium or Nitrate of Silver.
Reference to Horn. Proving. - Chr. Kr., iv.
Proper forms for dispensing. - 1x and 1, Solution. 1x to 3, Trituration. 3x and upwards, Tincture, Pilules, or Globules.