Stearic acid, namely octadecanoic acid, has a simple structural formula: CH3(CH2)16COOH, which is produced by the crystallization of fats and oils and is mainly used for the production of stearates. Each gram is dissolved in 21ml ethanol, 5m…
Gold is a high-quality hedge hedging tool, favored by investors. Especially in recent years, with the increasing instability of the world economy, gold has become one of the preferred asset allocations of investors because of its functions of hedging…
The powder is white or colorless monoclinic flakes. Melting point: 38degC (anhydrous), 103.5degC (monohydrate). What is PTSA? PTSA P Toluene sulfonic Acid features a rich and fine foam with low degreasing powers, good biodegradability, and low irr…
GaN is a semiconductor material of third generation with a large forbidden-band width. It has superior properties compared to first-generation Si or second-generation GaAs. GaN devices, due to their high thermal conductivity and large band gaps, can…