Thermo Scientific (Duke) NIST Traceable Size Standards and Count Controls

NIST Traceable Size Standards

Duke Standards - 2000 Series Uniform Particles

Nanosphere Standards - 3000 Series Monodisperse Particles

Duke Standards - 4000 Series Monosized Particles

Duke Standards - 8000 Series Silica Particles

Duke Standards - 9000 Series Glass Particles

Chromosphere - T Certified Size Standards

Dri-Cal Particle Size Standards

Surf-Cal Particle Size Standards

Count Controls

Duke Standards - 3K-4K Series Particle Counter Size Standards

Pharm-Trol Count Precision Standards

Validex - Count Precision Standards

Count-Cal Count Precision Standards

Ezy-Cal Count Precision Standards