Since what is needed for cooling is a lot of small particles rather than a few big ones, this approach would face problems.David Keith, of the University of Calgary, and his colleagues recently came up with a way of keeping the particles small: use sulphuric acid rather than sulphur dioxide.
For example, sulphur was thought to be a compound of sulphuric acid and phlogiston and phosphorus was thought to be a compound between phosphoric acid and phlogiston.
All the clues are there: the sulphuric stench of rotten eggs, dead birds falling from the trees, and tremors deep beneath the earth.
By far the largest was HM Factory Gretna in southern Scotland, which produced cordite – a complex system involving nitric and sulphuric acids, nitroglycerine, gun cotton, mineral jelly, alcohol and ether.
Leaving aside all the other issues that swirl around narcotics, the way the cocaine base is prepared leads to the dumping in the water of millions of gallons of kerosene, sulphuric acid, acetone, solvent, and tonnes of lime and carbide.
You can stand over a huge vat of gently churning purple-brown sulphuric acid but you had better be careful where you put your feet: the iron walkway is rusted away in places and the handrail has disappeared.
These impoverished ecosystems, moreover, are dominated by Acidithiobacillus, one of the sorts of bug that turn hydrogen sulphide into sulphuric acid.Crucially from a practical point of view, Dr Hernandez found that the gaseous signal showing something amiss actually has two components.
To do so they took a beaker made of PVC, filled it with a mixture of nitric and sulphuric acids, and left it for six hours.
Mr Zhou used the sulphuric acid to produce fertiliser, turning the enterprise into the biggest compound fertiliser manufacturer in the northeast.
A masked man emerged from the shadows and flung sulphuric acid in his face.
The announcement came against an embarrassing background of leaked government memos.See article: Labour's new prudenceWorkers about to be laid off at a chemical plant in northern France dumped 3,000 litres of sulphuric acid into a stream that runs into the river Meuse.
