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Zinc selenide is the inorganic compound with the formula ZnSe. It is a lemon-yellow solid although most samples have a duller color due to the effects of oxidation. It is an intrinsic semiconductor with a band gap of about 2.70 eV at 25 °C (77 °F), equivalent to a wavelength of 459 nm.
Zinc toxicity is a medical condition involving an overdose on, or toxic overexposure to, zinc. Such toxicity levels have been seen to occur at ingestion of greater than 50 mg of zinc. [1] [unreliable medical source?] Excessive absorption of zinc can suppress copper and iron absorption. The free zinc ion in solution is highly toxic to bacteria ...
Zinc is a prevalent and potent essential trace mineral, meaning the body needs only a small amount to reap its benefits. ‘Essential’, in this case, means that our bodies can’t make zinc, so ...
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin.
Wellness influencers say yes, but their claims are slippery at best. Experts explain what seed oils are, their benefits, and why they get so much hate.
Zinc compounds are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of zinc in most compounds is the group oxidation state of +2. Zinc may be classified as a post-transition main group element with zinc(II). Zinc compounds are noteworthy for their nondescript appearance ...
The average age for menopause, when your periods stop permanently, is 52, according to the U.S. Office on Women's Health. Menopause is reached after it has been a full year since your last period.
Hydrogen selenide is an extremely toxic, corrosive gas. [141] Selenium also occurs in organic compounds, such as dimethyl selenide, selenomethionine, selenocysteine and methylselenocysteine, all of which have high bioavailability and are toxic in large doses. On 19 April 2009, 21 polo ponies died shortly before a match in the United States Polo ...
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