Basic Info.

Model NO.

ES0251

Composition

Erbium Selenide

CAS

12020-38-1

Molecular Formula

Er2se3

Molecular Weight

571.398

Einecs

234-657-1

Synonyms

Dierbium Triselenide

Color

Black

Form

Powder

Brand

Easchem

Transport Package

Vacuum Bag or Packing as Per Request.

Specification

Erbium Selenide Powder

Trademark

EASCHEM

Origin

China

Production Capacity

10tons Per Month

Product Description

Product Name			Er Metal	Er Metal
Chemical formula			Er	Er
Total rare earths			99.00%	99.00%
Test item		unit	Specified value	Specified value
Er/RE		%	≥99.9	≥99.5
Non rare earth impurity content	Fe	%	≤0.05	≤0.10
	Si	%	≤0.03	≤0.05
	C	%	≤0.03	≤0.05
	O	%	≤0.25	≤0.30
	Mg	%	≤0.05	≤0.05
Product Features	bulk or acicular crystal and the surface is silver gray
Application	Mainly applied to luminescent and magnetic cooling materials
Packing	packing in polyethylene bags with argon protection sealed in steel drums,50KG/250KG perdrum.
Tailor-made service	Customized products and packages can be provided according to customers' special requirements.

Index Model		ESN1	ESN5
Chemical formula		Er	Er
Total rare earth (%)		99	99
Er/RE(%)		≥99.90	≥99.50
Non-rare earth impurity content (%)	Fe	≤0.05	≤0.10
	Si	≤0.03	≤0.05
	C	≤0.03	≤0.05
	O	≤0.25	≤0.30
	Mg	≤0.05	≤0.05

Index Model	Er2Se3.2N5	Er2Se3.3N	Er2Se3.3N5
Er/TREM+Se(%,min)	99.5	99.9	99.95
TREM+Se(%,min)	99.0	99.0	99.5
Appearance	Black Powder	Black Powder	Black Powder
RE Impurities/TREM	%(Max)	%(Max)	%(Max)
Er	Main	Main	Main
Ce
Pr
Nd
Sm
Eu	0.001	0.001	0.001
Gd	0.001	0.001	0.001
Tb	0.001	0.001	0.001
Dy	0.01	0.003	0.003
Ho	0.005	0.005	0.005
La
Tm	0.001	0.005	0.005
Yb	0.001	0.001	0.001
Lu	0.001	0.001	0.001
Y	0.03	0.003	0.003
Non-Re Impurities	%(Max)	%(Max)	%(Max)
Fe	0.15	0.1	0.01
Si	0.01	0.01	0.005
Ca	0.05	0.05	0.005
Al	0.01	0.01	0.005
Mg	0.01	0.01	0.005
W	0.05	0.05	0.05
Ta	0.01	0.01	0.0005
O	0.15	0.15	0.015
Zn
Cu
Ni
Pb
Cd
Cr
Hg
Na
K
Ti
Th
Mo
C	0.01	0.01	0.005
Cl-	0.01	0.01	0.005
Particle Size:	1-5um, 5-10um, -325mesh, -200mesh, -100mesh.
Memo	Can custom-made as per request.

Packing:	0.1KGs, 0.2KGs, 0.5KGs Vacuum Bag or packing as per request.
Storare:	Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	Black powder is extremely susceptible to oxidation and ignition in the air.
Application:	1. Mainly for metallurgical purposes. For example, adding vanadium to vanadium reduces hardness and improves workability. The nuclear industry also has some applications.
	2. It can be further processed into various shapes of ingots, blocks, wires, foils, plates, rods, disks and powders.

Packing:	50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request.
Storare:	Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	Pink powder, slightly soluble in inorganic acid, insoluble in water.