Reference Material 8017
● 물질 – 동결 건조된 폴리비닐피로리돈이 코팅된 은 나노입자
Polyvinylpyrrolidone (PVP)-Coated Ag Nanoparticles (Nominal Diameter 75 nm), (1mg/ml) 사용 전 탈이온수 2ml 주입 필수
● 사용 목적 – 나노물질와 관련된 잠재적인 환경 및 인체영향, 안전성을 평가하기 위한 표준물질, 반응성이 큰 은 나노입자를 코팅 및 동결 건조로 안정화 시킨 최초의 제품
● Reference Values and 95 % Uncertainty Intervals for Mean Silver Particle Size
|
Methods |
Analyte Forms |
Particle Size (nm) |
|
Atomic Force Microscopy (AFM) |
dry, deposited on substrate |
70.1 ± 6.0 |
|
Transmission Electron Microscopy (TEM) |
dry, deposited on substrate |
74.6 ± 3.8 |
|
Ultra-Small-Angle X-ray Scattering (USAXS) |
liquid suspension |
67.9 ± 0.8 |
|
Dynamic Light Scattering (DLS) |
liquid suspension, diluted |
105.6 ± 4.6 |
● Reference Mass Value and 95 % Uncertainty Interval for Silver
|
Silver (Ag) (mg) |
2.162 ± 0.020 |
● Reference Cumulative Percentile Size Distribution Values for AFM and TEM Methods
|
Percentile (%) |
AFM (nm) |
TEM (nm) |
Percentile (%) |
AFM (nm) |
TEM (nm) |
|
5 |
53.7 ± 6.6 |
66.3 ± 4.2 |
55 |
72.6 ± 6.0 |
75.6 ± 3.8 |
|
10 |
58.6 ± 6.2 |
68.8 ± 4.0 |
60 |
73.3 ± 6.0 |
76.0 ± 3.8 |
|
15 |
62.4 ± 6.2 |
70.3 ± 4.0 |
65 |
74.1 ± 6.0 |
76.5 ± 3.8 |
|
20 |
65.3 ± 6.0 |
71.4 ± 4.0 |
70 |
74.8 ± 6.0 |
77.1 ± 3.8 |
|
25 |
67.0 ± 6.0 |
72.2 ± 4.0 |
75 |
75.7 ± 6.2 |
77.6 ± 3.8 |
|
30 |
68.3 ± 6.0 |
72.8 ± 3.8 |
80 |
76.6 ± 6.2 |
78.2 ± 3.8 |
|
35 |
69.3 ± 6.0 |
73.5 ± 3.8 |
85 |
77.6 ± 6.2 |
78.9 ± 3.8 |
|
40 |
70.3 ± 6.0 |
74.0 ± 3.8 |
90 |
79.0 ± 6.4 |
79.8 ± 3.8 |
|
45 |
71.1 ± 6.0 |
74.5 ± 3.8 |
95 |
81.1 ± 6.8 |
81.3 ± 4.0 |
|
50 |
71.9 ± 6.0 |
75.0 ± 3.8 |
|
|
|
* 명시된 날짜까지 유효
● 공급처 정보 – National Institute of Standards & Technology
