High purity nano Cu Powder, isotope 63Cu/65Cu

On stock ready for delivery, stored in a security house in the Netherlands we have high purity Copper Powders (isotope 63Cu/65Cu, isotope) as it follows:

1)  Sample 3

Purity: 99,9932%

2) Sample 2

Purity: 99,974% 

Particle size: 699,8 NM

3) Sample 1

Purity: 99,913% 

Particle size: 500 NM