Discovery of DNA. Today, we know that DNA is the genetic material: the molecule that bears genes, is passed from parents to children, and provides instructions for the growth and functioning of living organisms. But scientists didnât always know this.
Dixon Chew is a leading UK manufacturer of Reactive Zirconium Chemicals. Our modern, well-equipped manufacturing facility located in Dewsbury has been built for flexible and reliable processing aimed at minimising order turn round times, maximising yields and reducing our environmental impact.
Naturally occurring zirconium is composed of five isotopes. 90 Zr, 91 Zr, 92 Zr and 94 Zr are stable. 94 Zr can undergo double beta decay (not observed experimentally) with a half-life of more than 1.10Ã10 17 years.96 Zr has a half-life of 2.4Ã10 19 years, making it the longest-lived radioisotope of zirconium.irconium is a by-product of the mining and processing of the titanium minerals ilmenite and rutile, as well as tin mining. From 2003 to 2007, zircon prices steadily increased from $360 to $840 per tonne.