Penta-Size Standards Polydisperse size distribution, consisting of 5 monodisperse size standards – Range 0.064-1.82 µm, Volume 3mL, Solids 1%

NIST and the International System of Units Traceable Standards

NIST and SI traceable Size Standards and Count Controls – Nominal Diameter 9 µm, Volume 20mL, Counts/mL

1×10⁷

NIST and the International System of Units Traceable Standards

NIST and SI traceable Size Standards and Count Controls – Nominal Diameter 600 nm, Volume 20mL, Counts/mL

NIST and the International System of Units Traceable Standards

NIST and SI traceable Size Standards and Count Controls – Nominal Diameter 10 µm, Volume 20mL, Counts/mL

1×10⁷