99.5%-99.999% Thulium Oxide Tm2O3 For Tm YAG Crystals Nuclear Reactor Control

Thulium Oxide (Tm₂O₃): Portable X-ray Devices, Tm:YAG Crystals, Nuclear Reactor Control

Thulium oxide is a light green powder with chemical formula Tm₂O₃. It is soluble in mineral acids but insoluble in water, and readily absorbs moisture and carbon dioxide. When heated to 1300°C, it transforms into hexagonal crystals without melting.

Applications

1. Used in portable X-ray transmission devices
2. Serves as additive for growing special scintillation crystals (Tm:YAG)
3. Applied as control material in nuclear reactors

Product Series

Health and Safety Information

Signal Word	Warning
Hazard Statements	H315-H319-H335
Hazard Codes	Xi
Precautionary Statements	P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a
Flash Point	N/A
Risk Codes	36/37/38
Safety Statements	26-36
RTECS Number	N/A
Transport Information	NONH
WGK Germany	3
GHS Pictograms

Packaging Specifications

• Standard packaging: 50 kg/drum, 500 kg/pallet, ton bags
• Sample packaging: 500 g/bag, 1 kg/bottle

Production Method

Thulium oxide is primarily produced by oxalate precipitation:

1. Use thulium chloride or nitrate solution as raw material
2. Adjust pH to 2 with oxalic acid
3. Precipitate thulium oxalate by adding ammonia solution
4. After heating and aging, separate and wash the precipitate
5. Dry at 110°C
6. Finally calcine at 900-1000°C to obtain thulium oxide