【D27】Nano Particle Functional Property Measurement System

Calibrated Device
Standard Particles, Standard Particle Counter
(1) Counting Efficiency of Standard Particle Counter
(2) Specific Surface Area of Standard Particle
(3) Number Concentration of Particles in Solution (Gold Standard Nanoparticle)
Range
(1a) Particle Size: 100 nm, Concentration: 1 cm-3 to 1000 cm-3
(1b) Particle Size: 50 nm to 200 nm, Concentration:1000 cm-3 to 10000 cm-3
(2) 3 m2/g to 600 m2/g
(3)Particle Size: 15 nm to 100 nm, Concentration: 5 × 103 g-1 to 2 × 1012 g-1
Uncertainty
(1a) 2.5 % to 3.8 % (Relative)
(1b) 0.9 % to 2.6 % (Relative)
(2) 1.6 % to 2.1 % (Relative)
(3)15 % (Relative)