JPSELECTA Lid for Quartz Glass Crucible 40mL 40ØX50 mm

THE ZIRCONIUM unalterable in the air and clean, resistant up to 550 °C in an oxidizing atmosphere at 1500 °C in inert gas (argon or nitrogen), in many cases to replace platinum crucibles in all melting and in particular the sodium peroxide andcarbonates. About 100 melting per crucible, making them very economical withreference to the others, either porcelain crucibles, steel or nickel. Resistant to mostalkali solvents (Na, K, Li), carbonates, hydroxides, peroxides, borates, nitrates, chlorides, some fluorides and sulfuric acid up to 75% concentrate.Hydrofluoric acid attacks it.