Amorphous Elemental Boron Boron Powder Used in Smelting of Special Alloy Steel

Amorphous Elemental Boron Boron Powder Used in Smelting of Special Alloy Steel

Amorphous Elemental Boron

Government stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd: Q/YTY002-2011

English alias: Boron

CAS RN: 7440-42-8

one. Bodily and chemical properties:

1.1 Elementary symbol: B

1.two Atomic weight: 10.81(on 1979 intercontinental atomic fat)

1.3 Melting position: 2300 plusmn2 ordmC

one.4 Sublimation temperature: 2550 ordmC

1.five Specific gravity: two.34-2.37

one.6 Solubility: Insoluble in drinking water, ethanol, ethyl ether and hydrochloric acid, but dissolved in cold concentrated simple answer and decomposed H2 at the identical time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid to boric acid.

1.7 Homes:

Boron is between metallic series with nonmetal collection on the periodic desk of factors. As its strong electronegative, small atomic radius, and centralized nuclear charge, the chemical properties of it are reactive. It is stable in normal temperature, but it is oXiHu (West Lake) Dis.dized when heated to 300 ordmC and burned if heated to 700 ordmC. It is tasteless and odorless.

Its nonmetal property is similar to silicon. In substantial temperature, boron can react with oxygen, nitrogen, sulfur, halogen or carbon, and so on. It can be combined straight with numerous kinds of metals to kind boride. Additionally, boron can be also reacted with organic and natural compounds to synthesize some compounds, in which boron is immediately joined to carbon, or oxygen eXiHu (West Lake) Dis.sts between boron and carbon.

2. Specialized indexes:

Product

1st quality

twond grade

threerd grade

Whole Boron(B) content,%

ge95.

ge92

ge90

Drinking water soluble Boron(B) material %

le0.60

le0.eighty

le1.00

pH benefit

6.-eight.

six.-eight.

6.-eight.

Moisture content material, %

le1.00

le1.00

le1.00

HtwoOtwo insoluble, %

le0.70

le0.70

le1.50

Physical appearance

Pale brown or brown-black powder

three. Application: Boron has been utilised mainly in metallurgy, electronics, medication, ceramics, nuke sector and chemical market and so on, and it has been employed in the type of compound or as a additive in alloys. It can be utilised in smelting of some EPT alloy steels and as the fuel scavenger for the melting metal, in the ignitor of igniton in the electric powered industry, in the handle rod of atomic reactor, and as the substantial-vitality fuels for rocket. It has been as an EPTant material for producing higher-purity of halogenated boron and a uncooked material for a variety of borides. A good deal of rare noble metals can be substituted and saved by it. Boron and its compounds can be also used as the catalyst of some natural and organic chemical reactions, and many others.

four. EPT recommendations: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The central anxious technique is affected by ingestion, gastrointestinal tract is stimulated by inhalation and boron poisoning. Eyes bear sligEPT stimulation as nicely. Procedure have to be mounted with rubber gloves, a respirator and eye security by wearing protecting clothes.

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Amorphous Elemental Boron Boron Powder Used in Smelting of Special Alloy Steel

Amorphous Elemental Boron Boron Powder Used in Smelting of Special Alloy Steel

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