In 1995, the nerve gas sarin (O-isopropyl methylphosphonofluoridate) was used as a chemical weapon in a terrorist attack in Tokyo's subway 1,2. In 2001 and 2004, anthrax attacks and ricin incidents ...
Particle size specification for process chemicals is an important quality control measure for the semiconductor industry. Cutting-edge microelectronics producers need ultra-clean process chemicals ...
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