How like sarin is a sarin-like substance?
NOVANEWS
By Tim Hayward
The OPCW has analysed samples from Khan Sheikhoun in April containing what they have identified as ‘sarin or a sarin-like substance’. They know that much, even if they are not sure how it got there or who is responsible.
But how much actually is that? Throughout the OPCW report we find the cumbersome expression sarin or a sarin-like substance. Why not just sarin, pure and simple?
All a non-chemist like me can understand from this is that we are dealing with some nasty stuff, but there is no definite confirmation it is sarin pure and simple. Of course, a non-chemist also has no idea how impure a sample or how different a molecule would need to be to count as merely of a substance like sarin; nor would we know how much more impure or different it could be before b...
