Passivated / Amorphous Elemental Boron
`Executive stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd: Q/YTY002-2011
`English alias: Boron
`CAS RN: 7440-42-8
one. Actual physical and chemical properties:
one.one Elementary symbol: B
one.2 Atomic fat: ten.81 (on 1979 worldwide atomic bodyweight)
one.3 Melting position: 2300 plusmn2 ordmC
one.4 Sublimation temperature: 2550 ordmC
1.five Density: two.34-2.37 g/cmthree
1.6 Solubility: Insoluble in drinking water, ethanol, ethyl ether and hydrochloric acid. Dissolved in cold concentrated basic solution and developed H2 at the identical time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and make boric acid.
1.7 Homes: It is tasteless and odorless. In the periodic desk of elements, boron is amongst metal aspect sequence and non-steel aspect series. Boron has several attributes, this kind of as, strong electronegative, minimal atomic radius, and centralized nuclear charge, for that reason, the chemical properties of boron are relatively lively. The non-steel residence of boron is similar to that of silicon. At higher temperature, boron can respond with oxygen, nitrogen, sulfur, halogen or carbon, etc. Boron is secure 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 blended right with several sorts of metals to type metal boride.
two. Specialized indexes:
(1)Amorphous Elemental Boron
|
Product |
onest grade |
twond quality |
threerd quality |
|
Complete Boron(B) content, % |
ge95. |
ge92. |
ge90. |
|
Drinking water soluble Boron(B) content material, % |
le0.60 |
le0.eighty |
le1.00 |
|
pH worth |
6.-eight. |
six.-8. |
four.-6. |
|
Dampness content material, % |
le1.00 |
le1.00 |
le1.00 |
|
HtwoOtwo insoluble, % |
le0.70 |
le0.70 |
le1.fifty |
|
Visual appeal |
Pale brown or brown-black powder |
||
(2)Passivated Amorphous Elemental Boron
|
Product |
Index |
|
Complete Boron (B) material, % |
ge90. |
|
Drinking water soluble Boron (B) content % |
le1.00 |
|
pH worth |
six.-8. |
|
Humidity content, % |
le1.00 |
|
H2O2 insoluble, % |
le1.50 |
|
Particle dimension (d50), microm |
two.00~3.00 |
|
Visual appeal |
Pale brown or brown-black powder |
three. Software: Boron has been employed mainly in metallurgy, electronics, medication, ceramics, nuclear sector and chemical industry and many others. Boron has also been utilised in the varieties of compounds or as an additive in alloys. In addition, it can be employed as the fuel scavenger in metallurgy of some EPT alloy and smelted steels, the ignitor in the electric powered industry, the handle rod of atomic reactor, and the high-energy fuels for ducted sound rocket. Boron is the EPTant uncooked content for production higher-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 utilized as the catalysts of some organic and natural chemical reactions.
four. EPT instructions: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The damage of central anxious program, belly and intestinal stimulation, ig. boron poisoning, are brought on by inhalation of boron. Eyes bear sligEPT stimulation as nicely. Be taken care of with rubber gloves, a respirator and eye security by wearing protective clothes.
5 EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, one kg internet every.
six. Storage: Stored at amazing, dry and ventilate spot. The shelf life is twelve months right after made date. It is still obtainable if the retest results of the homes are qualified soon after expired date
7. Transportation:Steer clear of rain, sunligEPT and crash. Do not mix with powerful oXiHu (West Lake) Dis.dizer.
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