Selenium is a chemical element; it has symbol Se and atomic number 34. It has various physical appearances, including a brick-red powder, a vitreous black...

Selenium is an open source umbrella project for a range of tools and libraries aimed at supporting browser automation. It provides a playback tool for...

Selenium disulfide, also known as selenium sulfide, is a chemical compound and medication used to treat seborrheic dermatitis, dandruff, and pityriasis...

Selenium is an essential mineral micronutrient for animals, though it is toxic in large doses. In plants, it sometimes occurs in toxic amounts as forage...

oxygen family. Group 16 consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and the radioactive elements polonium (Po) and livermorium...

Selenium chloride may refer to the following chemical compounds: Selenium monochloride, Se2Cl2 Selenium dichloride, SeCl2 Selenium tetrachloride, SeCl4...

Selenium sulfide can refer to either of the following: Selenium disulfide, SeS2 Selenium hexasulfide, Se2S6 This set index article lists chemical compounds...

Selenium fluoride may refer to: Selenium tetrafluoride (selenium(IV) fluoride), SeF4 Selenium hexafluoride (selenium(VI) fluoride), SeF6 Seleninyl fluoride...

Selenium has six natural isotopes that occur in significant quantities, along with the trace isotope 79Se, which occurs in minute quantities in uranium...

Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species. Deficiency, although relatively...

Selenium yeast is Saccharomyces cerevisiae (baker's yeast) grown in a selenium-rich media. It contains selenium in the form of organic and inorganic compounds...

the range of shades visible in a print without reducing the contrast. Selenium toning is especially effective in this regard. Some toning processes can...

Selenium dioxide is the chemical compound with the formula SeO2. This colorless solid is one of the most frequently encountered compounds of selenium...

organoselenium compounds, chemical compounds containing carbon-to-selenium chemical bonds. Selenium belongs with oxygen and sulfur to the group 16 elements or...

notable for diverse content of micronutrients, especially a high amount of selenium. The wood of the Brazil nut tree is prized for its quality in carpentry...

A selenium rectifier is a type of metal rectifier, invented in 1933. They were used in power supplies for electronic equipment and in high-current battery-charger...

Selenium oxide may refer to either of the following compounds: Selenium dioxide, SeO2 Selenium trioxide, SeO3 Diselenium pentoxide, Se2O5 This set index...

The Riley oxidation is a selenium dioxide-mediated oxidation of methylene groups adjacent to carbonyls. It was first reported by Harry Lister Riley and...

and typically grows on selenium-rich soils. It accumulates selenium within its tissues, and when livestock consume it, the selenium can be toxic. Astragalus...

functional testing as well. Additionally JMeter supports integration with Selenium, which allows it to run automation scripts alongside performance or load...

Selenium oxydichloride is the inorganic compound with the formula SeOCl2. It is a colorless liquid. With a high dielectric constant (55) and high specific...

encountered hydride of selenium. H2Se is a colorless, flammable gas under standard conditions. It is the most toxic selenium compound with an exposure...

A selenium meter is a light-measuring instrument based on the photoelectric properties of selenium. The most common use of such light meters is measuring...

Valley." The average selenium levels in Lake Koocanusa were 1 part per billion. Montana has established new standards for selenium—0.8 parts per billion...

Selenium-79 is a radioisotope of selenium present in spent nuclear fuel and the wastes resulting from reprocessing this fuel. It is one of only seven...

commonly available selenium chlorides, the other example being selenium monochloride, Se2Cl2. SeCl4 is used in the synthesis of other selenium compounds. The...

The selenium cycle is a biological cycle of selenium similar to the cycles of carbon, nitrogen, and sulfur. Within the cycle, there are organisms which...

Selenium acid may refer to either of the following: Selenious acid, H2SeO3 Selenic acid, H2SeO4 Hydroselenic acid, H2Se This disambiguation page lists...

and one selenium atom. It is a selenium analog of furan C4H4O and thiophene C4H4S. A colorless liquid, it is one of the more common selenium heterocycles...

Selenium compounds are compounds containing the element selenium (Se). Among these compounds, selenium has various oxidation states, the most common ones...