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[Rare Earth] Yttrium Oxide(Y2O3) 99.999%

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Green Resource Co., Ltd.

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Yttrium Oxide

Formula : Y2O3
Appearance : White powder
Application : Used in three-band RE fluorescent powder, CTV phosphors, computer display phosphors.
Packing : 50kg Steel drum inner two 25kgs vaccum packing

Items	Specifications		Typical analyses	Analytical instruments
Formula	Y2O3	Y2O3
REO %	≥ 99	≥ 99
Purity and relative RE impurities
Y2O3/REO %	≥ 99.99	≥ 99.999
La2O3/REO %	≤ 0.0002	< 0.0001	< 0.00005	①
CeO2/REO %	≤ 0.0001	< 0.00005	< 0.0002	①②
Pr6O11/REO %	≤ 0.0005	< 0.0001	< 0.0002	①
Nd2O3/REO %	≤ 0.0003	< 0.0001	< 0.0001	①
Sm2O3/REO %	≤ 0.0003	< 0.0001	< 0.0001	①
Eu2O3/REO %	≤ 0.0001	< 0.0001	< 0.0001	①
Gd2O3/REO %	≤ 0.0003	< 0.0001	< 0.0001	①
Tb2O7/REO %	≤ 0.0005	< 0.0001	< 0.0001	①
Dy2O3/REO %	≤ 0.0003	< 0.0001	< 0.0001	①
Ho2O3/REO %	≤ 0.0001	< 0.0001	< 0.0002	①
Er2O3/REO %	≤ 0.0001	< 0.0001	< 0.0001	①
Tm2O3/REO %	≤ 0.0001	< 0.00005	< 0.00005	①
Yb2O3/REO %	≤ 0.0001	< 0.00005	< 0.00005	①
Lu2O3/REO %	≤ 0.0001	< 0.00005	< 0.00005	①
Non-RE impurities
Fe2O3 %	≤ 0.005	< 0.0001	< 0.0001	③
SiO2 %	≤0.005	< 0.0001	< 0.0001
CaO %	≤ 0.005	< 0.0001	< 0.0001	③
CuO %	≤ 0.003	< 0.0001	< 0.0001	③
NiO		< 0.0001	< 0.0001	③
PbO		< 0.0001	< 0.0001	③
Cl- %	≤ 0.02	< 0.0001
Loss on ignition % (1000℃,1hour)	≤ 0.8	≤ 0.8	≤ 0.5
Medium diameter um (Power mass accumulating)	2.5~7	2.5~7		④⑤

Notes

Green Resource Co., Ltd.

Minisite Heart

TRADE TOWER

DUNS

Company introduction: Green Resource Co., Ltd. is the wolrd top class supplier in Korea regarding rare earth products, rare metals, nano powders, ceramic powders, and other materials used in high-tech industry. We can assure that you will be satisfied with our price, quality, and rapid delivery etc.,

Our company has a professioal laboratoty in which we control the quality of our products, and we are constantly deverloping new items and many of these new items have been patented. With your continuous support, we look forwards to grow into the world leader in this industry.

Thank you.