Models are divided according to their molecular weight. Each model has a different performance. PEG (Polyethylene glycol): PEG Polyethylene glycol (PEG200600), with a relative molecular-weight lower than 200, has solubilization and moisture
Germanium Oxide GeO2 powder， Germanium dioxide powder, is an inorganic compound. The appearance is white powder or colorless crystals, insoluble in water and hydrochloric acid.
Iron silicide (FeSi2) is an important silicon-based material with excellent physical and chemical properties widely used in microelectronics, solar cells, catalyst carriers and composite materials. The crystal structure and phase transformation of ferrosilicide have important effects on its properties, which is one of the key problems in the study and application of ferrosilicide.
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