Sell Super Purified Boron Powder

Description

Our super purified boron powder is made by GENERAL RESEACH INSTITUTE FOR NONFERROUS METALs. Quality guarentee. There is a purity of *9.**9%, amorphous and purity of *9.0 - *9.*9 of the crystalline high-purity boron powder. Chemical composition, size and color: B content, % *9.***9.9% Impurity content, % Crystalline Fe 0.***7 Ca 0.*****1 Al 0.****1 Pb 0.****9 Mg 0.****9 Mo 0.****2 Zn 0.****7 Cu 0.****2 Sn 0.****2 Mn 0.****2 Color Gray Black Ni 0.****2 Cr 0.****8 Size 1um, ***0um *9.*9% Crystalline Fe 0.***7 Ca 0.*****1 Al 0.****1 Pb 0.****9 Mg 0.****9 Mo 0.****2 Zn 0.****7 Cu 0.****2 Sn 0.****2 Mn 0.****2 Color Gray Black Ni 0.****2 Cr 0.****8 Size 1um, ***0um *9.**9%, Amorphous Fe 7.0 x ***5 Sn 5.0 x ***5 Pb 5.0 x ***5 Mg 2.0 x ***4 Zn 1.0 x ***5 Cu 1.0 x ***4 Sn 5.0 x ***5 Mn 2.0 x ***5 Color Tan Ni 1.0 x ***5 Size 1um, ***0um Physical parameters: Element Symbol B Relative atomic *0.*2 Isotope B*0, B*1 Density, g/cm3 Crystal type: 3.3; amorphous: 2.3 Linear expansion coefficient 2 x ***6 Melting point, ***0 degree Boiling point, ***0 dgree Resistivity, ***** 1.8 × ***2 Latent heat of vaporization, KJ / mol **1.5 Specific heat capacity, J / g 1.*9 Mohs hardness: > 9 Optional Information - HS Code : ***4 Hydrogen, Rare Gases, Other Non-metals