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. Bodily and chemical properties:
1.one Elementary image: B
1.2 Atomic weight: 10.eighty one (on 1979 intercontinental atomic weight)
1.three Melting level: 2300 plusmn2 ordmC
one.four Sublimation temperature: 2550 ordmC
1.five Density: 2.34-2.37 g/cmthree
1.six Solubility: Insoluble in drinking water, ethanol, ethyl ether and hydrochloric acid. Dissolved in cold concentrated simple resolution and made Htwo at the exact same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and produce boric acid.
1.7 Properties: It is tasteless and odorless. In the periodic table of elements, boron is amongst metallic aspect collection and non-metal aspect sequence. Boron has numerous traits, this kind of as, robust electronegative, low atomic radius, and centralized nuclear charge, as a result, the chemical qualities of boron are fairly energetic. The non-metallic property of boron is equivalent to that of silicon. At large temperature, boron can respond with oxygen, nitrogen, sulfur, halogen or carbon, etc. 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 mixed directly with many types of metals to sort steel boride.
2. Technical indexes:
(1)Amorphous Elemental Boron
|
Product |
1st quality |
twond grade |
threerd quality |
|
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. |
four.-six. |
|
Moisture content material, % |
le1.00 |
le1.00 |
le1.00 |
|
H2Otwo insoluble, % |
le0.70 |
le0.70 |
le1.50 |
|
Appearance |
Pale brown or brown-black powder |
||
(two)Passivated Amorphous Elemental Boron
|
Item |
Index |
|
Whole Boron (B) content material, % |
ge90. |
|
H2o soluble Boron (B) content material % |
le1.00 |
|
pH value |
6.-eight. |
|
Moisture content, % |
le1.00 |
|
HtwoOtwo insoluble, % |
le1.50 |
|
Particle dimensions (d50), microm |
two.00~3.00 |
|
Look |
Pale brown or brown-black powder |
3. Application: Boron has been utilized mostly in metallurgy, electronics, drugs, ceramics, nuclear business and chemical industry and so forth. Boron has also been employed in the varieties of compounds or as an additive in alloys. In addition, it can be utilised as the gas scavenger in metallurgy of some EPT alloy and smelted steels, the ignitor in the electric powered market, the management rod of atomic reactor, and the substantial-vitality fuels for ducted strong rocket. Boron is the EPTant raw substance for producing substantial-purity halogenated boron and for a assortment of borides. Some exceptional noble metals can be substituted by boron. Boron and its compounds can also be used as the catalysts of some natural chemical reactions.
four. EPT recommendations: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The injury of central nervous method, tummy and intestinal stimulation, ig. boron poisoning, are caused by inhalation of boron. Eyes bear sligEPT stimulation as nicely. Be handled with rubber gloves, a respirator and eye safety by putting on protective clothing.
five EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, 1 kg net each and every.
6. Storage: Stored at amazing, dry and ventilate place. The shelf life is 12 months right after created date. It is even now accessible if the retest outcomes of the houses are competent right after expired day
seven. Transportation:Keep away from rain, sunligEPT and crash. Do not combine with sturdy oXiHu (West Lake) Dis.dizer.
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