Ads
related to: organic germanium powder manufacturers in europe reviews reddit- Compare Top 5 Brands
We Analyzed The Top Green Powders
On The Market
- Green Blends for Wellness
Learn What To Look For & Avoid
When Buying a Green Powder
- Beware of Fillers
Some Companies Stuff Their Products
With Sugar & Fillers
- Great Health Benefits
Increase Immunity & Energy
Detoxification & So Much More!
- Discover Key Ingredients
Learn More About Bovine Colostrum
Identify Naturally-Derived Formulas
- High-Quality Colostrum
For Everyday Oxidative Stress
Gut Health & Immunity Support
- Compare Top 5 Brands
Search results
Results From The WOW.Com Content Network
The first organogermanium compound, tetraethylgermane, synthesized by Winkler in 1887, [3] by the reaction of germanium tetrachloride with diethylzinc. More commonly, these Ge(IV) compounds are prepared by alkylation of germanium halides by organolithium and Grignard reagents, including surfaces terminated with Ge-Cl bonds. [4]
Organic germanium hydrides such as isobutylgermane ((CH 3) 2 CHCH 2 GeH 3) were found to be less hazardous and may be used as a liquid substitute for toxic germane gas in semiconductor applications. Many germanium reactive intermediates are known: germyl free radicals, germylenes (similar to carbenes), and germynes (similar to carbynes).
Two oxides of germanium are known: germanium dioxide (GeO 2, germania) and germanium monoxide, (GeO). [4] The dioxide, GeO 2 can be obtained by roasting germanium disulfide (GeS 2) or by allowing elemental germanium to slowly oxidze in air, [5] and is a white powder that is only slightly soluble in water but reacts with alkalis to form germanates. [4]
China on Tuesday banned exports to the United States of the critical minerals gallium, germanium and antimony that have widespread military applications, escalating trade tensions the day after ...
Company Sales Headquarters Industry Volkswagen: 254.0 Germany Automotive: Daimler: 150.8 Germany Automotive: FCA: 110.4 Italy United States Automotive: BASF: 103.9 Germany Chemicals ...
Sigma Chemical Company of St. Louis and Aldrich Chemical Company of Milwaukee were both American specialty chemical companies when they merged in August 1975. The company grew throughout the 1980s and 1990s, with significant expansion in facilities, acquisitions and diversification into new market sectors.
Germanium monoselenide is a chemical compound with the formula GeSe. It exists as black crystalline powder having orthorhombic (distorted NaCl -type) crystal symmetry; at temperatures ~650 °C, it transforms into the cubic NaCl structure. [ 3 ]
Chlorine-free germanium processing are methods of germanium activation to form useful germanium precursors in a more energy efficient and environmentally friendly way compared to traditional synthetic routes. Germanium tetrachloride is a valuable intermediate for the synthesis of many germanium complexes.