Electron capture detector (ECD). Electron capture detectors (ECD) are typically used in environmental testing for detecting PCBâs, organochlorine pesticides, herbicides and various halogenated hydrocarbons. With an electron capture detector, a beta emitter such as radioactive tritium or 63Ni is used to ionize the carrier gas.
Las Piedras: Las Piedras, city, southern Uruguay. It is situated in a wine-growing district just north of Montevideo. It was the site of a decisive battle (1811) in Uruguayâs struggle for independence, in which the revolutionaries defeated Spanish forces. Las Piedras is among the largest cities in Uruguay. It is known for its ostrich farming and horse racing. Las Piedras is on the main highway and railroad linking Montevideo with TacuarembÃ³ and Rivera. Pop.
Tourist Attractions, Sights and Things to Do. Rojales is a small Spanish town close to Benijofar, Ciudad Quesada, Almoradi and Torrevieja. Many championship golf courses are nearby and most importantly Rojales is just 10 minutes away from the fabulous sandy beaches of Guardamar and 15 minutes from Torreviejaâs beaches.his inland town is situated near Guardamar del Segura on the Orihuela Costa on the southern Costa Blanca of Spain, with an all year round population of 16,000. We have a handy Rojales map page.