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ASTM D1993-18
Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen AdsorptionMore info
1.1 This test method covers a procedure which is used to measure the surface area of precipitated hydrated silicas by the conventional Brunauer, Emmett, and Teller (BET)2 theory of multilayer gas adsorption behavior using multipoint determinations, similar to that used for carbon black in Test Method D6556. This test method specifies the sample preparation and treatment, instrument calibrations, required accuracy and precision of experimental data, and calculations of the surface area results from the obtained data.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.060.20 : Oxides |
| Number of pages | 3 |
| Replace | ASTM D1993-03(2013)e1 |
| Set | ASTMVOL0901 |
| Year | 2018 |
| Document history | ASTM D1993-03(2013)e1 |
| Country | USA |
| Keyword | ASTM 1993;ASTM D1993;ASTM D1993;10.1520/D1993-18 |