Browsing Vol. 33 Núm. 1-2 (2019) by Issue Date
Now showing items 1-15 of 15
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EL BORO Y EL MUNDO ARN
(Pontificia Universidad Católica del PerúPE, 2019-11-20)Besides its multiple commercial uses, borate minerals have been recently of great interest for researchers seeking for an explanation to the origin of life on Earth. The largest borate mineral deposit in ... -
Zinc, un elemento químico muy versátil
(Pontificia Universidad Católica del PerúPE, 2019-11-25)Zinc is a shiny metal whose surface quickly darkens upon contact with air. The main industrial application of this metal is the galvanization of iron and steel parts. Peru is the second largest producer of zinc worldwide, ... -
El cobre: un metal indispensable en la vida cotidiana y en los organismos
(Pontificia Universidad Católica del PerúPE, 2019-11-25)Copper is a metal whose versatility has enabled its application in medicine, agriculture, and materials science. In nature, copper is available in the metallic form with an orange-red color and in copper compounds found ... -
El molibdeno, un elemento tan versátil como vital
(Pontificia Universidad Católica del PerúPE, 2019-11-25)Molybdenum, produced in Peru as a byproduct of the copper mining industry, was discovered in the XVIIIth century. It is usually added to steel alloys, is amply used in different pigments and its presence in enzymes makes ... -
Descubriendo ambas caras de un mismo elemento inusual: el mercurio
(Pontificia Universidad Católica del PerúPE, 2019-11-26)The only liquid metal on the periodic table (at room temperature) that has changed the way we think on modern chemistry, introducing the concepts of pressure, vacuum and properties of gases, is mercury. Nevertheless, ... -
El telurio en la era tecnológica actual
(Pontificia Universidad Católica del PerúPE, 2019-11-26)Tellurium, Te, is a chemical element of low abundance on Earth. Its importance in the current technological era has given it preponderance for its non-linear optics properties in the development of devices with applications ... -
El cadmio, ¿su presencia nos alerta de la contaminación antropogénica?
(Pontificia Universidad Católica del PerúPE, 2019-11-26)Cadmium is very scarce in nature and its presence in the environment is due to industrial development. Irresponsible waste management makes it appear in freshwaters and agricultural soils. It is very toxic and bioaccumulative, ... -
El oro: una materia prima esencial para el mundo
(Pontificia Universidad Católica del PerúPE, 2019-11-26)Gold is an inert metal of symbol Au and atomic number 79. Peru is the world's sixth-largest gold producer, and La Libertad is its first producer department of this metal. It is of great importance for jewelers, physicians, ... -
El wolframio: elemento imprescindible en nuestra vida diaria
(Pontificia Universidad Católica del PerúPE, 2019-11-26)Tungsten has become an indispensable element for our daily life. Due to its physical and chemical properties, this metal, as well as its alloys, is considered nowadays as a strategic and necessary element, with which we ... -
Estaño: transcendencia mundial, producción en Perú
(Pontificia Universidad Católica del PerúPE, 2019-11-26)A brief review about the importance of tin on a great variety of industrial and human life applications is presented. Toxicity of some tin organometallic compounds is also put forward. -
La OPQ celebra los 150 años de la Tabla Periódica en París y Oporto
(Pontificia Universidad Católica del PerúPE, 2019-11-27)In 2019, the sesquicentennial of the publication of the periodic table proposed by Dmitri Mendeleev is commemorated. As part of this celebration, the students selected by the 2018 Peruvian Chemistry Olympiad (OPQ) participated ... -
Mendeleev: más allá de la tabla periódica
(Pontificia Universidad Católica del PerúPE, 2019-11-27)The stamps issued in the world that celebrate 150 years of the periodic table of the elements and pay tribute to the Russian chemist Mendeleev -
Dos opciones entretenidas para acercarnos a la tabla periódica de los elementos químicos
(Pontificia Universidad Católica del PerúPE, 2019-11-27)En esta recomendación se hace una pequeña revisión de los aspectos más destacados de dos libros sobre la tabla periódica: "Los elementos”, de Theodore Grey, y "Los elementos. La nueva guía de los componentes básicos del ... -
Tesis de licenciatura y maestría Sección Química de la PUCP, 2019
(Pontificia Universidad Católica del PerúPE, 2019-11-28)Summary of the bachelor and master thesis defended (until October 2019) in the Chemical Section (PUCP) -
Celebrando los 150 años de la tabla periódica
(Pontificia Universidad Católica del PerúPE, 2019-11-30)
