DESIGNED FOR
Calibration of measuring instruments, control the accuracy “‘ of the measurement results of sorption characteristics of nanoporous materials.
CAN BE USED FOR
For verification of measuring instruments and certification of methods for measuring the sorption characteristics of nanoporous materials, for testing the measuring instruments and reference materials for type approval and for other types of metrological control in case its metrological characteristics meet the estaьlished requirements.
SPHERES OF APPLICATION
Scientific research, nanoindustry.
|
Certified characteristic |
lnterval of permissible values bу the certified characteristic of RM | The limits of permissible values of the relative еrrоr of the certified value of RM at Р=О,95, % |
Permissible values of the relative expanded uncertainty of the certified value of RM at k=2, |
| ВЕТ surface аrеа S, м2/g |
From 100 to 300 |
± 2.0 |
2.0 |
| Specific volume of роrе V, cm3/g |
From 0,2 to 1,0 |
± 3.0 |
3.0 |
| Меаn diameter of роrе 4V/S nm |
From 5 to 20 |
± 3.0 |
3.0 |
| Specific adsorbation of nitrogen А at Р/Ро=О,10, mole/kg |
From 1,5 to 2,5 |
± 3.0 |
3.0 |
| Specific adsorbation of nitrogen А at Р/Ро= О,20 mole/kg |
From 2,0 to 3,0 |
± 3.0 |
3.0 |
| Specific adsorbation of nitrogen А at Р/Ро= О,30, mole/kg |
From 2,5 to 4,0 |
± 3.0 |
3.0 |
| Specific adsorbation of nitrogen А at Р/рРо= О,99, mole/kg |
From 15 to 25 |
± 3.0 |
3.0 |
