1. Direct method: using zinc concentrate as raw material, after high temperature oxidation roasting and then adding coal to reduce to zinc vapor, zinc vapor and hot air are oxidized to obtain zinc oxide. The main raw materials used now are zinc ore, zinc ash, etc. There are generally several types of kiln structures:

Zinc oxide has both the dual properties of nanomaterials and traditional zinc oxide. Compared with traditional zinc oxide products, it has large specific surface area and high chemical activity. At the same time, it also has a series of unique properties such as antibacterial and antibacterial, anti-bacterial and anti-enzyme.

Name: Titanium tetrachloride
Molecular formula: Cl4Ti
CAS number: 7550-45-0
Structural formula: Titanium tetrachloride

Physical properties: Colorless or yellowish liquid, pungent sour, smoke in the air. The vapor pressure was 1.33 kPa (21.3 ° C), mp -24 ° C, boiling point 136.4 ° C, and d 1.726 g / cm 3 . It is soluble in THF, CH 2 Cl 2 , toluene.

Preparation and commodity: Titanium tetrachloride is sold in major reagent companies. Industrially, it is obtained by mixing titanium dioxide and carbon powder, and then introducing chlorine gas at 600 ° C.

The monocrystalline silicon solar cell is a solar cell made of a high-purity single crystal silicon rod, and is currently the fastest developed solar cell. Its construction and production process have been finalized and its products have been widely used in space and on the ground.

Solar cells mainly include crystalline silicon cells and thin film cells, and their respective characteristics determine that they have an irreplaceable position in different applications.

Neodymium is a silver-white metal with a melting point of 1024 ° C and a density of 7.004 g / cm 3 and is paramagnetic. Neodymium is one of the most active rare earth metals, which can quickly darken in the air to form oxides; react slowly in cold water and react quickly in hot water. Neodymium-doped yttrium aluminum garnet and Neodymium glass can be used instead of ruby ​​as a laser material, and Neodymium and bismuth glass can be used as goggles. Neodymium Oxide (Nd): With the birth of the enamel element, the Neodymium element came into being.

The Carbonyl Iron INN  powder is used to react with iron in high temperature and high pressure, producing 5 carbonyl iron oil, and then being separated by low pressure to get the product. It can be shipped by annealing and oxidation treatment. When the temperature is 200 ℃, 200 bar under the condition of carbonyl synthesis reaction is as follows
Fe + 5CO = Fe (CO) 5
Carbonyl iron at 300 ℃, 1 bar under the condition of decomposition for Fe and CO
Fe(CO)5= Fe+5CO

The nano platinum powder in skin care products has a strong catalytic oxidation function, which is used to prevent oxidation reaction, has a good function of removing free radicals into the body, increases beauty products against free radicals, delays skin aging, moisturizes and moisturizes.

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Albite is actually a common feldspar mineral, usually showing a glassy crystal. It can be made colorless and transparent or it can be of various colors. This material can be used to make ceramics or glass. Let's take a look at the characteristics and uses of this mineral.

1, Silver powder information
Silver powder is one of the most widely used metal powders in the electronics industry, the CAS No. is 7440-22-4. In recent decades, with the advancement of science and technology, especially the rapid development of the electronics industry, the preparation of silver powder has made great progress in both technology and equipment, and has been quite mature.

Platinum powder, the CAS NO. is 7440-06-4. Platinum can be produced by dry process of platinum ore in Industrial ; it can also be produced by the method of wet smelting by using copper and nickel sulfide ore to produce by-products in the production process of copper and nickel.