Published January 1, 2019
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Final report of CCQM-K153 Measurement of Specific Adsorption A [mol/kg] of N-2 and Kr on nonporous SiO2 at LN temperature (to enable a traceable determination of the Specific Surface Area (BET) following ISO 9277)
Creators
- 1. Ural Sci Res Inst Metrol UNIIM, Ekaterinburg 620075, Russia
- 2. Fed Inst Mat Res & Testing BAM 13, D-12200 Berlin, Germany
- 3. AIST, NMIJ, Tsukuba, Ibaraki 3058565, Japan
- 4. TUBITAK Natl Metrol Inst, TR-41470 Gebze Yerleskesi, Turkey
- 5. NIM, Beijing 100029, Peoples R China
- 6. Fed Inst Mat Res & Testing BAM 61, D-12200 Berlin, Germany
Description
CCQM key comparison K-153 Measurement of Specific Adsorption A [mol/kg] of N-2 and Kr on nonporous SiO2 at LN temperature (to enable a traceable determination of the Specific Surface Area (BET) following ISO 9277) has been performed by the Surface Analysis Working Group (SAWG) of the Consultative Committee for Amount of Substance (CCQM). The objective of this key comparison is to compare the equivalency of the National Metrology Institutes (NMIs) and Designated Institutes (DIs) for the measurement of specific adsorption, BET specific surface area) of nonporous substances (sorbents, ceramics, catalytic agents, etc) used in advanced technology.
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