Yellow powder, tungssten trioxide. Tungsten trioxide, yellow powder, insoluble in water. Soluble in alkali. This is used for the manufacture of high melting points alloys and hard alloys, as well as tungsten wire and fireproof materials. Color: yello…
Inorganic substances with the chemical composition of Na2S2O3*5H2O include sodium thiosulfate, pentahydrate and potassium thiosulfate pentahydrate.Sodium Thiosulfate Na2S2O2 has a colorless monoclinic Crystal, is odorless, and has cool and bitter tas…
Whether the cement used and the pumping agent are matched and adapted must be obtained through the adaptability test. The optimum amount of the pumping agent should be determined through the adaptability test with the cement cementitious material.…
Russia's insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not to pa…