GB/T 23656-2009
Rubber compounding ingredients.Silica,precipitated,hydrated.Determination of CTAB surface area (English Version)
- Standard No.
- GB/T 23656-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2017-05
- Replace By
- GB/T 23656-2016
- Latest
- GB/T 23656-2016
- Scope
- WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with relevant national regulations. This standard specifies the method for measuring the specific surface area of cetyltrimethylammonium bromide (CTAB). This standard applies to precipitated hydrated silica.
GB/T 23656-2009 Referenced Document
- GB/T 12808-1991 Laboratory glassware--One-mark pipettes
- GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
- HG/T 3061-2009 Rubber compounding ingredients.Silica,precipitated,hydrated*， 2009-12-04 Update
- HG/T 3065-2008 Rubber compounding ingredients.Silica, precipitated, hydrated.Determination of loss on heating
GB/T 23656-2009 history
- 2016 GB/T 23656-2016 Rubber compounding ingredients—Determination of surface area for silica，precipitated，hydrated—CTAB method
- 2009 GB/T 23656-2009 Rubber compounding ingredients.Silica,precipitated,hydrated.Determination of CTAB surface area
