GB/T 7048-2012
Colour carbon black.Determination of blackness (English Version)
- Standard No.
- GB/T 7048-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 7048-2012
- Replace
- GB/T 7048-2003
- 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 the conditions stipulated in the relevant national laws and regulations. Scope: This standard specifies the method for measuring the blackness of pigment carbon black with a reflectometer based on the standard reference carbon black No. 3 (SRB3). This standard applies to all kinds of pigment carbon black.
GB/T 7048-2012 Referenced Document
- GB/T 3780.8 Carbon black—Part 8：Determination of heating loss*， 2019-10-18 Update
- GB/T 7044 Colour carbon black*， 2022-03-09 Update
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 9578 Industry reference carbon black 4#*， 2021-10-11 Update
GB/T 7048-2012 history
- 2012 GB/T 7048-2012 Colour carbon black.Determination of blackness
- 2003 GB/T 7048-2003 Colour carbon black-Determination of blackness
- 1993 GB/T 7048-1993 Colour black—Determination of blackness
