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
1. Actual physical and chemical homes:
1.1 Elementary image: B
1.2 Atomic weight: ten.eighty one (on 1979 international atomic excess weight)
one.three Melting position: 2300 plusmn2 ordmC
1.four Sublimation temperature: 2550 ordmC
one.five Density: 2.34-two.37 g/cm3
one.6 Solubility: Insoluble in h2o, ethanol, ethyl ether and hydrochloric acid. Dissolved in chilly concentrated standard resolution and created H2 at the exact same time. It can be oXiHu (West Lake) Dis.dized by concentrated sulfuric acid or nitric acid and produce boric acid.
one.seven Properties: It is tasteless and odorless. In the periodic table of elements, boron is in between steel element collection and non-steel element collection. Boron has numerous attributes, these kinds of as, powerful electronegative, lower atomic radius, and centralized nuclear cost, as a result, the chemical properties of boron are fairly lively. The non-metal home of boron is related to that of silicon. At high temperature, boron can react with oxygen, nitrogen, sulfur, halogen or carbon, and many others. Boron is secure at typical 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 directly with a lot of kinds of metals to kind metallic boride.
2. Technical indexes:
(one)Amorphous Elemental Boron
|
Item |
onest grade |
twond quality |
threerd quality |
|
Overall Boron(B) content, % |
ge95. |
ge92. |
ge90. |
|
Water soluble Boron(B) articles, % |
le0.60 |
le0.eighty |
le1.00 |
|
pH benefit |
6.-eight. |
six.-8. |
four.-six. |
|
Dampness content, % |
le1.00 |
le1.00 |
le1.00 |
|
HtwoO2 insoluble, % |
le0.70 |
le0.70 |
le1.50 |
|
Appearance |
Pale brown or brown-black powder |
||
(2)Passivated Amorphous Elemental Boron
|
Merchandise |
Index |
|
Total Boron (B) content material, % |
ge90. |
|
Drinking water soluble Boron (B) content % |
le1.00 |
|
pH price |
six.-8. |
|
Moisture material, % |
le1.00 |
|
H2Otwo insoluble, % |
le1.50 |
|
Particle dimensions (dfifty), microm |
two.00~3.00 |
|
Look |
Pale brown or brown-black powder |
three. Software: Boron has been employed primarily in metallurgy, electronics, drugs, ceramics, nuclear market and chemical sector etc. 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 electrical industry, the control rod of atomic reactor, and the large-strength fuels for ducted reliable rocket. Boron is the EPTant uncooked material for manufacturing large-purity halogenated boron and for a selection of borides. Some uncommon noble metals can be substituted by boron. Boron and its compounds can also be employed as the catalysts of some natural and organic chemical reactions.
four. EPT directions: ToXiHu (West Lake) Dis.c by ingestion and inhalation. The hurt of central nervous technique, stomach and intestinal stimulation, ig. boron poisoning, are triggered by inhalation of boron. Eyes bear sligEPT stimulation as effectively. Be dealt with with rubber gloves, a respirator and eye safety by sporting protective apparel.
five EPT: Vacuum-EPT. Aluminum foil bag with plastic bag, 1 kg net every.
six. Storage: Stored at awesome, dry and ventilate area. The shelf existence is twelve months after manufactured day. It is nonetheless offered if the retest final results of the homes are experienced soon after expired day
seven. Transportation:Stay away from rain, sunligEPT and crash. Do not mix with strong oXiHu (West Lake) Dis.dizer.
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