Uses of radiation in radio dating
When living things die, they stop taking in carbon-14, and the radioactive clock is "set"!
They are particularly useful where process optimization can bring material benefits, such as in the transport of sediments.Independent analyses have shown the contents of many bottles to be shams; rare-earth element analysis is considered an effective technique for ID'ing samples "even from very small regions." These sorts of chemical analyses have been applied to products as wide ranging as tomatoes, dairy products, and honey to determine geographical origin.Scientists are optimistic about the techniques as a means to combat fraud in rare foods and beverages.Radiotracers are also used in the oil and gas industry to help determine the extent of oil fields.Radioactive materials are used to inspect metal parts and the integrity of welds across a range of industries.The attributes of naturally decaying atoms, known as radioisotopes, give rise to their multiple applications across many aspects of modern day life (see also information paper on The Many Uses of Nuclear Technology).
Radioisotopes are used by manufacturers as tracers to monitor fluid flow and filtration, detect leaks, and gauge engine wear and corrosion of process equipment.
Small concentrations of short-lived isotopes can be detected whilst no residues remain in the environment.
By adding small amounts of radioactive substances to materials used in various processes it is possible to study the mixing and flow rates of a wide range of materials, including liquids, powders, and gases and to locate leaks.
A commonly used radiometric dating technique relies on the breakdown of potassium (Ar in an igneous rock can tell us the amount of time that has passed since the rock crystallized.
If an igneous or other rock is metamorphosed, its radiometric clock is reset, and potassium-argon measurements can be used to tell the number of years that has passed since metamorphism.
For example, to inspect new oil or gas pipelines, special film is taped over the weld around the outside of the pipe.