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Ceramics Grade Ferric Phosphate

Ceramic-grade Ferric orthophosphate is specifically designed for the ceramic industry ceramic metal glaze used on antique brick developed a phosphate of iron production, the product has low high purity, impurities, batch advantage of stability.

 

Chemical Formula：FePO4·2H2O               Chemical Name：Ferric orthophosphate

 

Relative Molecular Mass：150.82        Physical Properties：White crystal, insoluble in water

 

Ceramics Grade Ferric Phosphate Standard

Item Test	Grade A			Grade B			Grade C
	Standard	General Level		Standard	General Level		Standard	General Level
Fe2O3（iron oxide）	≥41.0%	41.32%		≥39.00%	39.63%		≥38.00%	38.64%
P2O5（phosphorus pentoxide）	≥37.5%	37.63%		≥37.50%	37.83%		≥37.50%	37.78%
Burning reduction	≤21.0%	20.53%		≤21.0%	20.56%		≤21.0%	20.76%
Al2O3(alumina)	≤0.20%	0.16%		≤0.50%	0.36%		≤0.50%	0.37%
SiO2（silica）	≤0.05%	0.02%		≤0.50%	0.34%		≤0.50%	0.36%
CaO（calcium oxide）	≤0.05%	0.04%		≤0.10%	0.08%		≤0.10%	0.08%
MgO（magnesia）	≤0.10%	0.05%		≤0.50%	0.45%		≤0.50%	0.47%
K2O（potassium）	≤0.02%	0.01%		≤0.1%	0.05%		≤0.1%	0.06%
Na2O（sodium oxide）	≤0.02%	0.00%		≤0.1%	0.07%		≤0.1%	0.07%
Tio2（titanium oxide）	≤0.01%	0.00%		≤0.01%	0.00%		≤0.01%	0.00%
SO42-（sulfate）	≤0.02%	0.01%		≤0.02%	0.02%		≤0.1%	0.08%
Heavy Metal	≤20ppm	12ppm		≤20ppm	16ppm		≤20ppm	17ppm
Particle Size	-300 mesh	100%		-300 mesh	100%		-300 mesh	100%