This part of SN/T 3470 specifies a method for the determination of bound acrylonitrile content in acrylonitrile-butadiene rubber (NBR) using an automatic elemental analyzer. This section applies to the content of bound acrylonitrile in acrylonitrile-butadiene rubber (NBR) and latex.
SN/T 3470.1-2013 Referenced Document
GB/T 15340 Rubber,raw natural and raw synthetic.Sampling and further preparative procedures