About This

• 【SUITABLE FOR】The selenium is a great metal accessory for experiments or production use.
• Purity: The selenium block has a high purity, up to 99.99%
• 【MAIN ELEMENTS】The high purity selenium main contains Se(99.99%), Cu(<0.0018%), Hg(<0.0003%), Ag(<0.0005%), Sb(<0.0005%), Te(<0.0015%).
• 【BRAND NEW】All small selenium lumps are brand new and has high quality.
• These selenium lumps have high purity, up to 99.99%.