Produce Amorphous Boron Powder Manufacturer In China
??Physical?and?chemical?properties:
1.1?Elementary?symbol:B
1.2?Atomic?weight:10.81(on?1979?international?atomic?weight)
1.3?Melting?point:2300±2°C
1.4?Sublimation?temperature:2550°C
1.5?Specific?gravity:2.34-2.37
1.6?Solubility:?It?is?undissolved?in?water,?hydrochloric?acid,?ethanol?and?ethyl?ether,?but?dissolvable?in?cold?
concentrated?basic?solution?and?decomposed,?hydrogen?is?release?at?the?same?time.?It?can?be?oxidized?by?
concentrated?sulfuric?acid?or?nitric?acid?to?boric?acid.
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2.?Technical?indexe?
Item | Index |
Total?Boron(B)?content,% | ≥99 |
Water?soluble?Boron(B)?content?% | ≤0.45 |
PH?value | 6.0-6.5 |
Moisture?content,?% | ≤0.5 |
Hydrogen?peroxide?insoluble | ≤1.50 |
Appearance(see?with?eyes)?%(m/m) | Pale?brown?or??brown-black?amorphous?powder |
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3.?Uses : Boron?is?mainly?used?in?metallurgy,?electronics,?medicine,?ceramics,?nulear?industry?and?chemical?
industry?etc,?it?is?used?in?the?form?of?compound?or?is?added?in?some?alloys?as?a?addend.?It?can?be?
used?in?smelting?of?some?special?alloy?steels?and?as?the?gas?remover?for?the?melting?steel,?
in?the?burn-entraining?pole?of?burning entraining?tube?in?the?electric?industry,of?boronic?compounds.?
A?lot?of?noble?and?rare?metals?can?be?substituted?and?saved?by?it.?Boron?and?its?compounds?can?be?
also?used?as?the?catalyst?for?some?organic?chemical?reactions,?
and?so?on.
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