Q：What does Azelaic acid do for the skin?
A：?Azelaic acid can counter or neutralize free radicals that cause inflammation. It has significant skin-calming effects and helps to improve redness.
May 31，2024 Organic Acids
Thorium: Major Minerals, Chemistry Properties, Reactions and Major Uses
Natural thorium is typically nearly pure 232Th, which is the longest-lived and most stable isotope of thorium, having a half-life comparable to the age of the universe.
May 31，2024 API
Rhenium:Discovery,Minerals,Chemistry,Uses,Toxicity
Rhenium exists as one stable isotope, 185Re, occurring in minority abundance. It is a silvery-white metal with one of the highest melting points of all elements, exceeded by only tungsten and carbon.
May 31，2024 Inorganic chemistry
Platinum: Major Minerals, Chemistry Properties and Major Uses
Platinum is a very rare metal, occurring at a concentration of only around 0.005 ppm in the Earth’s crust. Pt is often found as the native element and as alloys with the other Pt-group elements and Fe
May 31，2024 API
How are Lead Minerals Distributed?
Many lead minerals are relatively light and, in Earth’s history, have stayed in the crust instead of sinking deeper into the Earth’s interior.
May 31，2024 Inorganic chemistry
Discovery and Major Minerals of Bismuth
Bismuth is a brittle metal with a white, silver-pink hue, often with an iridescent oxide layer showing many colors from yellow to blue. This article will introduce its discovery and major minerals.
May 31，2024 Inorganic chemistry
Gadolinium:Discovery,Minerals,Uses,Safety
Gadolinium is a silvery-white metal when oxidation is eliminated. It is only slightly malleable and is a ductile REE. Gadolinium reacts with atmospheric oxygen or moisture slowly to produce a black su
May 31，2024 Inorganic chemistry
Cesium:Discovery,Minerals,Chemistry,Uses,Hazards
Cesium is a relatively rare element, about 3 ppm in the Earth’s crust. It is the 45th most abundant element and the 36th among the metals. It is 3.3% as abundant as Rb, with which it is closely associ
May 31，2024 Inorganic chemistry
Uranium: Chemical property and Minerals
Uranium is the 51st element in order of abundance in the Earth’s crust. Uranium is also the highest-numbered element found naturally in significant quantities on Earth and is almost always combined wi
May 31，2024 Inorganic chemistry
The Refining methods of gold
After initial production, gold is often subsequently refined industrially by the Wohlwill process, which is based on electrolysis or by the Miller process, that is, chlorination in the melt.
May 31，2024 Inorganic chemistry