A highly nitrated form of nitrocellulose, used as an explosive.
- ‘Working in the professor's private laboratory Gladstone produced, first, a report on the analysis of sand from a Normandy beach, and then in 1847 a paper on the explosive guncotton, just a year after its discovery by Christian Schönbein.’
- ‘Nitrogen is an important component of common chemical explosives like TNT, nitroglycerin, gunpowder, guncotton, nitrocellulose, picric acid, and ammonium nitrate.’
- ‘The discovery that directly supplanted gunpowder for use in firearms was guncotton, a forerunner of smokeless powder.’
- ‘An early experiment with collodion (a mixture of guncotton, ethyl alcohol, and ether) produced billiard balls that burst into flame when touched with a lighted cigar; and occasionally exploded when two balls collided.’
- ‘A volume of the air to be examined is filtered through guncotton which is soluble in a mixture of alcohol and ether.’
- ‘Cellulose trinitrate on the other hand is an explosive (guncotton). Cordite is made from guncotton and nitroglycerine.’
- ‘Dynamite (based on nitroglycerine) and guncotton (based on nitrocellulose) not only kept the DuPont company in the forefront of explosives but introduced it to real chemistry.’
- ‘In this hole a 2 1/4lb charge of guncotton, with detonator and fuse attached, was placed and the sand was heaped back.’
- ‘Consequently, nitroglycerin went largely unnoticed for many years, while the manufacture and use of guncotton, despite several notorious accidents, spread throughout Europe.’
- ‘In that same year, the British patented a combination of 58 percent nitroglycerin, 37 percent guncotton, and 5 percent vaseline.’
We take a look at several popular, though confusing, punctuation marks.