Resultados de búsqueda - "Arsenic"
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Investigación de niveles de contaminación por arsénico en El Salvador /
Publicado 1976Materias: “…INTOXICACION ARSENICAL…”
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Evaluación de arsénico en las aguas del lago de Ilopango por la Técnica colorimétrica de tiras reactivas MQUANT® Arsenic Test 1.17917.0001.
Publicado 2023“…El enfoque principal de la investigación fue la determinación de la concentración de arsénico de manera in situ en las aguas del lago de Ilopango con el método colorimétrico Mquant Arsenic Test 1.17917.001. Para poder llevar a cabo esta investigación se tomaron como referencias investigaciones previas de estudios de metales pesados en el lago de Ilopango, lo que permitió hacer comparaciones de los resultados obtenidos he identificar los cambios en los niveles de concentración de arsénico a través de los años. …”
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Standard methods of chemical analysis : the elements
Tabla de Contenidos: “…The alkali metals--aluminium--antimony--arsenic--barium--beryllium--bismuth--boro--bromine--cadmium--calcium--carbon--cerium and the rare earth metals--chlorine--Chromium--cobalt--copper--fluorine--gallium--germanium--gold--hydrogen…”
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Organic reagents for trace analysis /
Tabla de Contenidos: “…Wavelengths and suitable filters for photometry -- Organic reagents for trace analysis: Aluminium, Ammonium, Antimony, Arsenic, Barium, Beryllium, Bismuth, Boron, Cadmium, Caesium, Calcium, Cerium, Chlorine/chloride, Chromium, Cobalt, Cooper, Cyanide, Fluoride, Gallium, Germanium, Gold, Hafnium, Indium, Iodine, Iridium, Iron, Lead, Lithium, Magnesium, MAnganese, Mercury, Molybdenum, Nickel, Niobium, Nitrate, Nitrite, Osmium, Palladium, perchlorate, Platinum, Potassium, Rare earths, Rhenium, Rhodium, Rubidium, Ruthenium, Scandium, Selenium, Silver, Strontium, Sulfate, Sulfide, Tantalum, Tellurium, Thallium, Thiosulfate, Thorium, Tin, Titanium, Tungsten, Uranium, Vanadium, Yttrium, ZInc, Zirconium -- Monographs…”
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Scientific laboratory instruments apparatus - furniture - chemicals - supplies /
Tabla de Contenidos: “…Animal cages -- Arsenic -- Balances, Mettler -- Balances, top loading -- Beakers -- Combustion apparatus -- Electro-analytical instruments -- Extractors -- Fermentation tubes --Gas analysis -- Incubators, inks, iron, sheet -- spectrophotometers -- Supports -- Tables -- Viscosimeters -- Chemical reagents -- Temperature conversion table.…”
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College Chemistry. An Introductory Textbook of General Chemistry /
Publicado 1950Ver en el OPAC
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A text-book of inorganic pharmaceutical chemistry,
Tabla de Contenidos: “…Oxigen and ozone - Hidrogen - Water and hidrogen peroxide - Nitrogen, nitrous oxide and ammonia - Fluorine and fluorine compounds- Chlorine and chlorine compounds - Bromine and bromine compounds - Iodine and iodine compounds - Inorganic acids - Lithium and lithium compounds - Sodium and sodium compounds - Potassium and potassium componunds - Rubidium and cesium - Amonium compounds - Copper and copper compounds - Silver and silver compounds - Gold and gold compounds - Calcium and calcium compounds - Strontium and strontium compounds - Barium and barium compounds - Zinc and zinc compounds - Cadmium and cadmium compounds - Mercury and mercury compounds - Boron anda boron compounds - Aluminum and alumium compounds - scandium and yttrium and their compunds - Gallium, indium and thallium and their compounds - Carbon and carbon - Silicon and silicon compound - Titanium, zirconium and cerium and their compounds - Arsenic and arsenic compounds - Antimony and antimony compounds - Bismuth and bismuth compounds - Vanadium, columbium and tantalum and their compounds - Sulfur, selenium and tellerium and their compound - Chromium and chromium compounds - Molibdenum, tungsten and uraniumand their compounds - Manganese and manganese compounds - Iron and iron compound - Cobalt and cobalt compounds - Nickel and nickel compounds - The platinum metals and their compounds - The inert gases - Radioactivity and the radioactive elements.…”
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Evaluación de metales pesados en aguas residuales descargadas en El Rio Tixcuco, Ciudad de San Miguel
Publicado 2024“…The concentrations of four heavy metals Cadmium (Cd), Lead (Pb), Mercury (Hg) and Arsenic (As) were evaluated per sample. For Cd, Pb and Hg, the photometric method was applied, and the calorimetric method was used for As. …”
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Tesis