NF T77-155:1987 Basic silicones for industrial use. Determination of vinyl groups (content more than 0,1 per cent (m/m)). Near infra-red spectrometric method.
1987NF T77-155:1987 Basic silicones for industrial use. Determination of vinyl groups (content more than 0,1 per cent (m/m)). Near infra-red spectrometric method.