Passivated / Amorphous Elemental Boron
`Executive stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd: Q/YTY002-2011
`English alias: Boron
`CAS RN: 7440-42-eight
one. Physical and chemical properties:
one.one Elementary symbol: B
1.two Atomic bodyweight: ten.eighty one (on 1979 global atomic bodyweight)
1.3 Melting position: 2300 plusmn2 ordmC
one.4 Sublimation temperature: 2550 ordmC
1.5 Density: 2.34-two.37 g/cm3
one.six Solubility: Insoluble in drinking water, ethanol, ethyl ether and hydrochloric acid. Dissolved in chilly concentrated standard solution and produced Htwo at the same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and create boric acid.
one.7 Qualities: It is tasteless and odorless. In the periodic desk of factors, boron is amongst steel component collection and non-metal element sequence. Boron has numerous characteristics, this kind of as, robust electronegative, lower atomic radius, and centralized nuclear charge, as a result, the chemical homes of boron are comparatively lively. The non-metal residence of boron is comparable to that of silicon. At high temperature, boron can respond with oxygen, nitrogen, sulfur, halogen or carbon, etc. Boron is secure at standard 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 immediately with several kinds of metals to kind metal boride.
2. Technical indexes:
(one)Amorphous Elemental Boron
|
Product |
1st quality |
twond grade |
3rd grade |
|
Whole Boron(B) content, % |
ge95. |
ge92. |
ge90. |
|
Drinking water soluble Boron(B) content, % |
le0.sixty |
le0.80 |
le1.00 |
|
pH price |
six.-eight. |
6.-8. |
four.-six. |
|
Moisture content material, % |
le1.00 |
le1.00 |
le1.00 |
|
HtwoOtwo insoluble, % |
le0.70 |
le0.70 |
le1.fifty |
|
Physical appearance |
Pale brown or brown-black powder |
||
(2)Passivated Amorphous Elemental Boron
|
Product |
Index |
|
Total Boron (B) material, % |
ge90. |
|
Water soluble Boron (B) content % |
le1.00 |
|
pH value |
6.-eight. |
|
Dampness material, % |
le1.00 |
|
H2Otwo insoluble, % |
le1.fifty |
|
Particle measurement (dfifty), microm |
2.00~three.00 |
|
Visual appeal |
Pale brown or brown-black powder |
three. Software: Boron has been utilized primarily in metallurgy, electronics, medicine, ceramics, nuclear market and chemical business and so on. Boron has also been utilised in the types of compounds or as an additive in alloys. In addition, it can be utilized as the gas 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 substantial-energy fuels for ducted solid rocket. Boron is the EPTant uncooked substance for producing higher-purity halogenated boron and for a variety of borides. Some unusual noble metals can be substituted by boron. Boron and its compounds can also be utilised as the catalysts of some organic chemical reactions.
four. EPT recommendations: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The injury of central nervous technique, tummy and intestinal stimulation, ig. boron poisoning, are triggered by inhalation of boron. Eyes bear sligEPT stimulation as properly. Be taken care of with rubber gloves, a respirator and eye safety by putting on protective clothing.
5 EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, 1 kg internet each and every.
six. Storage: Stored at cool, dry and ventilate spot. The shelf existence is twelve months after made day. It is nevertheless available if the retest final results of the houses are competent following expired day
7. Transportation:Stay away from rain, sunligEPT and crash. Do not mix with powerful oXiHu (West Lake) Dis.dizer.
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