Order-No. |
Parameter |
Description |
90025 |
BET-surface area, pore volume, average pore size |
Determination by nitrogen adsorption at 77 K
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90026 |
Standard mesopore analysis (BJH-method) |
Determination by nitrogen adsorption at 77 K, 20 points adsorption plus 35 points desorption, max. detectable pore diameter ca. 0.4 µm (limited by the method of gas sorption): BJH-pore size distribution (DIN 66134), alternative DFT-evaluation, pore volume, BET-surface area (ISO 9277)
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90027 |
High resolution mesopore analysis |
Determination by nitrogen adsorption at 77 K, 40 points adsorption plus 39 points desorption, max. detectable pore diameter ca. 0.4 µm (limited by the method of gas sorption), BJH-pore size distribution (DIN 66134), alternative DFT-evaluation, pore volume, multipoint-BET-surface area (ISO 9277)
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90028 |
Micropore analysis |
Determination by nitrogen adsorption at 77 K, on request with argon at 87 K or carbon dioxide at 273 K, BET (ISO 9277) and pore volume, depending on sample material and customer requirement the most suitable micropore evaluation is applied (DR, DA, HK, SF, DFT, GCMC), ( DIN 66135, part 1 to 4)
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97497 |
Micropore analysis of pore systems < 0.7 nm (probe molecule method) |
Determination of the real micropore distribution and sorption behaviour of microporous materials by several adsorptives with different critical molecule diameters of ca. 0.26 – 0.7 nm
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90029 |
Micropore and mesopore analysis |
Determination by nitrogen sorption at 77 K, ca. 70 points adsorption plus ca. 20 points desorption, BET (ISO 9277), pore volume and mesopore distribution (DIN 66134), depending on sample material and customer requirement the most suitable micropore evaluation is applied (DR, DA, HK, SF, DFT, GCMC), (DIN 66135, part 1 to 4)
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Order-No. |
Parameter |
Description |
97561 |
Pore analysis of thin porous layers (krypton 87 K-method) |
Determination by krypton adsorption at 87 K, ca. 35 points adsorption in the relative pressure range 0.0001 – 0.99, evaluation of the pore size distribution from 0.7 to 10 nm on NLDFT based model
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96884 |
Micropore analysis of carbon materials |
Determination by carbon dioxide adsorption (ca. 40 points adsorption) at 273 K, pore size distribution, pore volume and specific surface area by NLDFT or Monte-Carlo-Simulation; from 0.35 nm to 1.5 nm
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96885 |
Isotherm measurement in the normal pressure range |
Isotherm measurement (noncorrosive gases) in the normal pressure range, e.g. H2, CH4, CO2, n-butane, CO, SF6, i-butane; sorption analysis of non-corrosive gases as adsorption and desorption isotherm with CRYOCOOLER at temperatures from 20 to 320 K
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97562 |
Determination of adsorption enthalpy in normal- and high pressure range |
Determination of isosteric adsorption heats from three isotherms at different temperatures as function of the amount adsorbed
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97499 |
High pressure adsorption isotherm up to 200 bar, from 77 K up to 400 °C |
High pressure adsorption isotherm (non-corrosive gases), e.g. H2, CO2, CH4, CO; sorption analysis of non-corrosive gases as adsorption and desorption isotherm up to 200 bar, temperature from 77 K to 400 °C
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90030 |
Evaluation of gas sorption analyses (from external data) acc. to state-of-the-art evaluation methods |
Evaluation of gas sorption analyses (out of external data) acc. to state-of-the-art evaluation methods. Calculation of pore size distributions out of external data (ASCII-files). Includes data import into the evaluation software, evaluation acc. to Density Functional Theory (DFT) and / or Monte-Carlo-Simulation (GCMC)
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