Passivated / Amorphous Elemental Boron
`Executive stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd: Q/YTY002-2011
`English alias: Boron
`CAS RN: 7440-forty two-8
1. Actual physical and chemical houses:
1.1 Elementary image: B
1.two Atomic fat: 10.81 (on 1979 international atomic excess weight)
1.three Melting position: 2300 plusmn2 ordmC
1.four Sublimation temperature: 2550 ordmC
1.five Density: 2.34-2.37 g/cm3
1.six Solubility: Insoluble in h2o, ethanol, ethyl ether and hydrochloric acid. Dissolved in cold concentrated standard resolution and developed Htwo at the exact same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and create boric acid.
one.seven Houses: It is tasteless and odorless. In the periodic table of elements, boron is among steel element sequence and non-metallic aspect series. Boron has many qualities, these kinds of as, powerful electronegative, minimal atomic radius, and centralized nuclear cost, for that reason, the chemical qualities of boron are fairly lively. The non-metal residence of boron is similar to that of silicon. At high temperature, boron can react with oxygen, nitrogen, sulfur, halogen or carbon, and so on. Boron is steady at regular temperature, but it will be oXiHu (West Lake) Dis.dized when heated to three hundred ordmC and burned if heated to seven-hundred ordmC. . Boron can be merged straight with a lot of types of metals to type metal boride.
2. Technical indexes:
(one)Amorphous Elemental Boron
|
Merchandise |
onest quality |
2nd grade |
3rd quality |
|
Complete Boron(B) content, % |
ge95. |
ge92. |
ge90. |
|
Water soluble Boron(B) articles, % |
le0.sixty |
le0.eighty |
le1.00 |
|
pH value |
6.-eight. |
6.-eight. |
four.-six. |
|
Humidity material, % |
le1.00 |
le1.00 |
le1.00 |
|
H2Otwo insoluble, % |
le0.70 |
le0.70 |
le1.fifty |
|
Physical appearance |
Pale brown or brown-black powder |
||
(two)Passivated Amorphous Elemental Boron
|
Product |
Index |
|
Total Boron (B) material, % |
ge90. |
|
Drinking water soluble Boron (B) content % |
le1.00 |
|
pH price |
six.-eight. |
|
Dampness content material, % |
le1.00 |
|
H2Otwo insoluble, % |
le1.50 |
|
Particle measurement (d50), microm |
two.00~three.00 |
|
Visual appeal |
Pale brown or brown-black powder |
3. Software: Boron has been utilised mostly in metallurgy, electronics, drugs, ceramics, nuclear sector and chemical market and so on. Boron has also been employed in the types of compounds or as an additive in alloys. In addition, it can be utilized as the fuel scavenger in metallurgy of some EPT alloy and smelted steels, the ignitor in the electric powered market, the control rod of atomic reactor, and the higher-power fuels for ducted sound rocket. Boron is the EPTant raw content for manufacturing high-purity halogenated boron and for a range of borides. Some unusual noble metals can be substituted by boron. Boron and its compounds can also be employed as the catalysts of some natural chemical reactions.
4. EPT guidelines: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The damage of central nervous program, stomach and intestinal stimulation, ig. boron poisoning, are triggered by inhalation of boron. Eyes bear sligEPT stimulation as effectively. Be taken care of with rubber gloves, a respirator and eye protection by wearing protecting garments.
five EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, 1 kg internet each and every.
6. Storage: Stored at awesome, dry and ventilate area. The shelf daily life is twelve months right after produced day. It is nevertheless accessible if the retest outcomes of the homes are competent soon after expired day
seven. Transportation:Avoid rain, sunligEPT and crash. Do not blend with powerful oXiHu (West Lake) Dis.dizer.
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