99 99% Tellurium dioxide powder (conductive silver paste, special for brightener) 1 Technical connection: anode slime of lead-zinc ore and copper ore – enrichment – electrolysis – Vacuum distillation – full CVD chemical vapor deposition process: Te+O2=TeO2 (without any acid radical ions)* The harm of acid ions: 1) slow corrosion of equipment; 2) Influence on conductivity - interference;

Zirconium dioxide Purity: 99 99% Character: White heavy amorphous powder Odorless Odorless Soluble in a mixture of 2 parts sulfuric acid and 1 part water, slightly soluble in hydrochloric acid and nitric acid, slowly soluble in hydrofluoric acid, and almost insoluble in water Irritating Relative density 5 85 Melting point 2680 ℃ Boiling point 4300 ℃

Tin(IV) oxide 1 Physical properties: Atomic mass: 150 71 Density: 6 95 g cm3 Melting point: 1127 ℃

Bismuth(III) oxide (Bi2O3) 1 Physical properties: Bismuth(III) oxide α Type β Type and δ There are three types of crystal forms α Type A is yellow Monoclinic crystal system crystal, with relative density of 8 9, melting point of 825 ℃, soluble in acid, insoluble in water and alkali β The type is bright yellow to orange, in a square crystal system, with a relative density of 8 55 and a melting point of 860 ℃ It is soluble in acid but insoluble in water

Chromium(III) oxide (Cr2O3) Purity: 99 99% Chromium(III) oxide is an inorganic oxide, chemical formula is Cr2O3, in which chromium is+3 Oxidation state Chromium(III) oxide is one of the common chromium oxides, which is used to produce other chromium compounds The crystal structure of Cr2O3 is similar to that of Al2O3 The oxygen atoms are cubic and tightly packed, and chromium occupies 2 3 of the Octahedron voids It is Antiferromagnetism at 307K (Néel temperature)

Antimony trioxide (Sb2O3) 1 Physical properties: White powder, odorless Melting point: 655 ℃ Boiling point: 1425 ℃ Heating to 400 ℃ under high vacuum can sublimate; 2 Purity: 99 99% -99 999%;

Gadolinium(III) oxide Purity: 99 99% CAS number: 12064-62-9 EINECS number: 235-060-9 Molecular weight: 362 4982

99 99% gallium trioxide (Ga2O3) 1 Technical docking: Electric arc heating instantly vaporizes gallium, and the vaporized gallium vapor is deposited with excess oxygen by CVD chemical vapor deposition: 4Ga+3O2=2Ga2O3,

magnesium oxide Chemical formula: MgO Purity: 99 99% Magnesium oxide is an inorganic substance with the chemical formula of MgO It is an oxide of magnesium and a Ionic compound It is a white solid at room temperature Magnesium oxide exists in the form of periclase in nature and is a raw material for magnesium smelting

Nickel oxide Molecular formula: NiO Cas No : 1313-99-1 Purity: 99 99%, 99 995%

99 999% lead oxide (PbO) powder 1 Technical docking: CVD chemical vapor deposition: 5N lead vapor reacts with excess oxygen 2 Inspection: ICP-MS; XRD, laser particle size analyzer;

Rubidium oxide CAS number: 18088-11-4 Chemical formula: RbO2

Iron trioxide Fe2O3 Purity: 99 99% Property Melting point 1538 ° C Density 5 24 Flash point>230 ° F Storage conditions 2-8 ° C

Copper(II) oxide 1 Name: Copper(II) oxide; Copper oxide wire; Copper oxide powder 2 characters: brown black broken wire solid; Brown black powder 3 Melting point: 1026 ℃ 4 Water solubility: insoluble in water, soluble in dilute acids, ammonium chloride, and cyanide

Zinc oxide ZnO 1 Purity: 99 99%, 99 999% 2 Inspection: ICP-MS; (All impurity elements are lower than 100 PPM, 10 PPM); Laser particle size analyzer; 3 Technical docking: CVD - High purity argon gas carrying zinc vapor into the reaction chamber and depositing excess oxygen in a chemical vapor phase: 2Zn+O2=2ZnO;

4 Packaging Transparent plastic bag vacuum encapsulation followed by aluminum foil bag vacuum encapsulation, or polyethylene bottle encapsulation followed by aluminum foil bag vacuum encapsulation; Customers can specify the packaging method 5 Services