What is most likely a side effect of theophylline?
Theophylline is used with other medicines to treat the symptoms of asthma, bronchitis, emphysema, and other lung diseases.
May 30，2024 API
Cadmium:Discovery,Mining,Uses,Health hazards
Cadmium is a soft, silvery-white metal. It has 48 electrons arranged in an electronic configuration of [Kr]4d105s2.
May 30，2024 Inorganic chemistry
The brief introduction of 2-Butanol
2-Butanol, also known as 2-butyl alcohol or 2-hydroxybutane, belongs to the class of organic compounds known as secondary alcohols.
May 30，2024 Organic Solvents
Where is Niobium found? What is it used for?
Niobium is a light gray, crystalline, and ductile transition metal. It has 41 electrons arranged in an electronic configuration of [Kr]4d45s1.
May 30，2024 Inorganic chemistry
Where does Iridium Come From? Extra-terrestrial or Volcanic?
Iridium is one of the nine least abundant stable elements in the Earth's crust, as for its source, some say it comes from extraterrestrial, others say it comes from volcanic eruptions on Earth.
May 30，2024 Inorganic chemistry
Sources and Uses of Osmium
Osmium is the least abundant stable element in the Earth’s crust, with an average of 50 parts per trillion in the continental crust.
May 30，2024 Inorganic chemistry
How to Isolate Ytterbium from Minerals?
Ytterbium is often the most common substitute in yttrium minerals. This article will introduce the method to isolating it from mineral.
May 30，2024 Inorganic chemistry
The Ta-containing minerals
Tantalum is estimated to make up between 1 and 2 ppm of the Earth’s crust by weight.
May 30，2024 Inorganic chemistry
Hafnium: Major Minerals, Chemistry Properties and Major Uses
Hafnium is estimated to make up around 5.8 ppm of the Earth's upper crust by mass. It does not exist as a native element on Earth but is found as a solid solution with zirconium in natural zirconium c
May 30，2024 API
What are the Main Uses of Dysprosium?
Dysprosium reacts with a variety of nonmetals at high temperatures to form binary compounds with varying composition and oxidation states +3 and sometimes +2.
May 30，2024 Inorganic chemistry