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
one. Actual physical and chemical qualities:
one.1 Elementary symbol: B
one.two Atomic weight: ten.eighty one (on 1979 international atomic bodyweight)
1.3 Melting stage: 2300 plusmn2 ordmC
one.4 Sublimation temperature: 2550 ordmC
1.5 Density: two.34-2.37 g/cm3
one.six Solubility: Insoluble in h2o, ethanol, ethyl ether and hydrochloric acid. Dissolved in chilly concentrated simple resolution and produced H2 at the exact same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and create boric acid.
1.seven Homes: It is tasteless and odorless. In the periodic desk of aspects, boron is between steel component collection and non-metallic component series. Boron has a lot of qualities, this sort of as, robust electronegative, reduced atomic radius, and centralized nuclear demand, for that reason, the chemical houses of boron are fairly energetic. The non-metallic home of boron is related to that of silicon. At substantial temperature, boron can respond with oxygen, nitrogen, sulfur, halogen or carbon, etc. Boron is steady at normal 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 combined right with a lot of types of metals to sort metallic boride.
2. Technical indexes:
(one)Amorphous Elemental Boron
|
Product |
1st quality |
twond quality |
threerd quality |
|
Complete Boron(B) articles, % |
ge95. |
ge92. |
ge90. |
|
H2o soluble Boron(B) content, % |
le0.sixty |
le0.80 |
le1.00 |
|
pH price |
six.-eight. |
6.-eight. |
four.-6. |
|
Humidity content material, % |
le1.00 |
le1.00 |
le1.00 |
|
H2O2 insoluble, % |
le0.70 |
le0.70 |
le1.50 |
|
Visual appeal |
Pale brown or brown-black powder |
||
(two)Passivated Amorphous Elemental Boron
|
Item |
Index |
|
Complete Boron (B) articles, % |
ge90. |
|
Water soluble Boron (B) articles % |
le1.00 |
|
pH benefit |
six.-8. |
|
Dampness content, % |
le1.00 |
|
H2O2 insoluble, % |
le1.50 |
|
Particle size (dfifty), microm |
two.00~3.00 |
|
Appearance |
Pale brown or brown-black powder |
3. Application: Boron has been used mainly in metallurgy, electronics, medicine, ceramics, nuclear market and chemical sector and many others. Boron has also been utilised in the kinds of compounds or as an additive in alloys. In addition, it can be used as the gas scavenger in metallurgy of some EPT alloy and smelted steels, the ignitor in the electrical business, the handle rod of atomic reactor, and the higher-power fuels for ducted reliable rocket. Boron is the EPTant raw material for production higher-purity halogenated boron and for a assortment of borides. Some rare noble metals can be substituted by boron. Boron and its compounds can also be used as the catalysts of some organic and natural chemical reactions.
4. EPT directions: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The injury of central nervous technique, belly and intestinal stimulation, ig. boron poisoning, are induced by inhalation of boron. Eyes bear sligEPT stimulation as nicely. Be managed with rubber gloves, a respirator and eye security by sporting protective apparel.
five EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, one kg web each.
six. Storage: Stored at amazing, dry and ventilate area. The shelf daily life is twelve months after created day. It is still accessible if the retest final results of the homes are certified soon after expired day
7. Transportation:Stay away from rain, sunligEPT and crash. Do not blend with robust oXiHu (West Lake) Dis.dizer.
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