Penta-Size Standards Polydisperse size distribution, consisting of multiple monodisperse size standards – Range 1.0-10 µm, Volume 20mL, Solids 2%

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 7 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 80 µm, Volume 20mL, Counts/mL

5×10⁴

NIST and the International System of Units Traceable Standards

NIST and SI traceable Size Standards and Count Controls – Nominal Diameter 4 µm, Volume 20mL, Counts/mL

1×10⁷