◎ Chemical formula: BaCO3
◎ Character: amorphous white powder, toxic.
◎ Purpose: manufacturing ceramic capacitors, sensing materials, optical glass, radio components, and other high-purity barium salts.
◎ Package: net weight of single piece: 25kg, 50kg, 500kg, 1000kg; Plastic woven bag, lined.
◎ Index:
project | Company | technical specifications | test method | |||
Ⅰ | Ⅱ | Ⅲ | Gravimetric method | |||
Main content BaCO3计,≥ | % | 99.5 | 180℃×4H | |||
Moisture,≤ | % | 0.20 | ICP | |||
Impurity content | (Sr),≤ | % | 0.01 | 0.05 | 0.10 | ICP |
(Ca),≤ | % | 0.01 | 0.15 | 0.20 | ICP | |
(K),≤ | % | 0.0010 | ICP | |||
(Na),≤ | % | 0.0010 | ICP | |||
(Fe),≤ | % | 0.0005 | ICP | |||
(Mg),≤ | % | 0.0003 | ICP | |||
(Mn),≤ | % | 0.0003 | ICP | |||
Sulfide,≤ | % | 0.01 | Iodometry | |||
Total sulfur,≤ | % | 0.01 | Gravimetric method | |||
(Cl),≤ | % | 0.0050 | Turbidimetry | |||
Particle size distribution | D10 | μm | 0.2~0.3 | Laser particle size test | ||
Glaze flux (matting agent) containing barium
1. Barium carbonate powder - (tph includes: baco_3; hcl, so_4:, fe_2o_3:) - barium carbonate powder - for ceramic industry
2. Chemical barium carbonate powder, powder (trade name barium carbonate powder, baco3 99% min) is used to produce frit enamel, frit is used to produce ceramic tiles