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. This part of GB/T 3781 specifies the principle, reagents, instruments, sampling, test conditions, analysis steps, result presentation, precision and test report for the determination of light transmittance of carbon black toluene extract by spectrophotometer method. This section applies to carbon black and pigment carbon black for rubber.
GB/T 3780.15-2006 Referenced Document
GB 3778 Carbon black for use in rubber products*, 2011-12-05 Update
GB/T 3780.8 Carbon black—Part 8:Determination of heating loss*, 2019-10-18 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*, 2008-07-16 Update
GB/T 3780.15-2006 history
2016GB/T 3780.15-2016 Carbon black—Part 15: Determination of light transmittance of toluene extract
2006GB/T 3780.15-2006 Carbon black.Part 15:Determination of light transmittance of toluene extract
1997GB/T 3780.15-1997 Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Rapid method
GB/T 3780.15-2006 Carbon black.Part 15:Determination of light transmittance of toluene extract has been changed from GB/T 3780.20-1997 Carbon black for use in the rubber industry--Determination of light transmittance of toluene extract--Method for product evaluation.