Overview of the dangers of nickel oxide and first aid measures

Nickel oxide synthesis method

1. Nickel salt calcining decomposition method is to use hydrogen sulfide, hydrogen peroxide, sodium carbonate, ammonia water to remove copper, iron, manganese, chromium and other impurities from nickel alloy scraps (containing iron, copper, chromium, etc.), and then react with sulfuric acid to produce sulfuric acid Nickel ammonium is roasted and crushed to obtain finished nickel monoxide.

2. Put NiCO3 or Ni(NO3)2·6H2O in a platinum crucible, heat it at 1000-1100℃ for 6h, and then cool it in a N2 gas stream without O2.

3. Put NiCO3 in a pear-shaped decomposer, and repeatedly fill and extract N2 without O2 to remove the air in it. Then the device was evacuated to a high vacuum at 100°C, and then heated to 350°C for 90 minutes. The product is transferred to the glass bulb prepared in advance and then sealed.

4. Adopt nickel carbonate method and ammonia method.

The nickel carbonate method is obtained by dissolving gold scrap nickel in sulfuric acid or nitric acid, adding soda ash to produce nickel carbonate, and then washing, drying and burning.

The ammonia method is obtained by dissolving nickel waste, adding ammonium sulfate to produce nickel ammonium sulfate, and then dehydrating, calcining, and pulverizing.

Overview of the dangers

Health hazard

The effect of this product on the skin is more common in production, mainly manifested as dermatitis or allergic eczema, and the rash has strong itching, which is called nickel pruritus. Nickel workers can suffer from allergic pneumonia, bronchitis, bronchial pneumonia, adrenal insufficiency, etc. Nickel is carcinogenic.

Explosion hazard

This product is non-flammable, toxic, and sensitizing.

first-aid

skin contact

Take off contaminated clothing and rinse with plenty of running water.

eye contact

Lift the eyelids and rinse with running water or saline. Seek medical attention.

Inhale

Leave the scene to a place with fresh air. If breathing is difficult, give oxygen and seek medical attention.

Ingestion

Drink enough warm water to induce vomiting. Seek medical attention.

Overview of nickel oxide NiO powder

Nickel oxide is an inorganic substance with a chemical formula of NiO and a molecular weight of 74.71. It is a green-black cubic crystal, soluble in acid and ammonia, but insoluble in water, and turns yellow when heated. It is obtained by the action of nickel and oxygen at a temperature higher than 400°C, or by the pyrolysis of nickel carbonate at 350°C. Used in the manufacture of alloys, batteries, glass, enamel, ceramics, electronic components, nickel salts, and as a catalyst.

Nickel oxide NiO powder is the main oxide of nickel and is classified as an alkali metal oxide. Millions of kilograms of different quality products are produced every year, mainly as intermediates for nickel alloy production. The mineral form of NiO (arsenite) is very rare. Other nickel (III) oxides have also been claimed, such as Ni2O3 and NiO2, but they have not been confirmed by X-ray crystallography.

The nickel oxide NiO powder adopts a NaCl structure with octahedral Ni2+O2 positions. Conceptually, simple structures are often called rock salt structures. Like many other binary metal oxides, NiO is usually not stoichiometric, which means that the ratio of Ni:O deviates from 1:1. In nickel oxide, this non-stoichiometric NiO is accompanied by a color change. The correct stoichiometric NiO is green, and the non-stoichiometric NiO is black.

Nickel oxide NiO powder is obtained by the action of nickel and oxygen at a temperature higher than 400°C, or by the pyrolysis of nickel carbonate at 350°C. Used in the manufacture of alloys, batteries, glass, enamel, ceramics, electronic components, nickel salts, and as a catalyst. Nickel oxide NiO can be prepared in a variety of ways. When heated above 400°C, nickel powder reacts with oxygen to form NiO. In some commercial processes, green nickel oxide is made by heating a mixture of the following substances, nickel powder and water at 1000°C. Adding NiO can increase the reaction rate.

The simplest and most successful preparation method is to pyrolyze nickel (II) compounds (such as hydroxides, nitrates and carbonates) to produce light green powders. By heating the metal in oxygen, elemental synthesis can produce gray to black powder. Indicates a stoichiometric error. It combines with sodium oxide and potassium oxide at high temperature (> 700°C) to form the corresponding nickelate.

In addition, nickel oxide nanoparticles can be prepared by thermally decomposing newly prepared nickel hydroxide at 300°C (572°F) through the sol-gel route. X-ray diffractometer and vibrating sample magnetometer can be used to characterize the nickel oxide nanoparticles prepared by this method.

Application of nickel oxide NiO powder

Nickel oxide NiO has a variety of professional applications, usually used to distinguish between "chemical grade" and "metallurgical grade". "Chemical grade" is a relatively pure material used for special applications, while "metallurgical grade" is mainly used to produce alloys. Used in the ceramic industry to make glass powder, ferrite and enamel. The sintered oxide is used to produce nickel steel alloys. Charles Edouard Guillaume won the 1920 Nobel Prize in Physics for his research on nickel steel alloys, which he called Invar and Invar.

Nickel oxide NiO is a commonly used hole transport material in thin-film solar cells, and is also a component of nickel-iron batteries (also known as Edison batteries) and a component of fuel cells. As specialty chemicals and catalysts. Recently, until the development of environmentally friendly Ni-MH batteries, NiO was used to make NiCd rechargeable batteries used in many electronic devices. Electrochromic device.

Nickel oxide NiO is used as a binder and colorant for enamel in the push rod industry.

The ceramic industry is used as a raw material for colorants.

Used as a raw material for nickel-zinc ferrite in the production of magnetic materials.

Coloring agent for stained glass and tubular glass bulbs in the glass industry.

It is also a material used in the manufacture of nickel salts, nickel catalysts and secondary batteries.

Nickel Oxide NiO can react with acids to form salts and other compounds, such as nickel oxide. Nickel sulfamate and electroplating hydrodesulfurization catalyst

A nickel oxide film doped with gold with nickel molybdate can be used as a transparent electrode in a photovoltaic device.

Nickel oxide NiO powder price

The price of nickel oxide NiO powder will vary randomly with the demand of production cost, transportation cost, international situation, exchange rate and market supply and demand. Tanki New Materials Co., Ltd. aims to help all industries and chemical wholesalers find high-quality and low-cost nanomaterials and chemicals by providing turnkey customized manufacturing services. If you are looking for nickel oxide NiO powder, please feel free to send the latest inquiry price of nickel oxide NiO powder.

Suppliers of Nickel Oxide NiO Powder

As a global supplier of nickel oxide NiO powder, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (including boron carbide, aluminum carbide, titanium carbide, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.

Technical Parameter of Nickel Oxide NiO Powder