This question is a follow up of another [thread](https://politics.stackexchange.com/questions/28540/are-there-any-facts-according-to-which-the-russian-government-is-responsible-for), where we are discussing Theresa May's accusation of the Russian government which is supposedly behind the recent chemical attack in the UK.

Soon after the attack the UK implemented a chemical analysis which again supposedly shows that this compound can be produced by only one government in the world: the Russian government.

So, my question is, if the UK Chemical Weapons Institute can carry out such a chemical analysis and figure out what chemical weapon was used, does it mean that they themselves possess this technology?

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On 14 March 2018, at UN Security Council Russia's representative Vasily Nebenzya claimed:

> 
> For the British specialists to be perfectly confident that this was a Novichok agent and not any other kind, they would need a control standard for proof. It [the substance used in the attack] must be compared to a control substance... They have a collection and they have the formula. In other words, if the UK is so firmly convinced this is Novichok, they have samples and formula and are capable of formulating it themselves.
> 
> 
> 

Nebenzya in his speech refers to some professional chemist and I wonder what other professional chemists think of this. 

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**Further reading:**

1. A [BBC article](http://www.bbc.com/news/world-europe-43377698) explaining the Novichok agent; the [Wikipedia page](https://en.wikipedia.org/wiki/Novichok_agent) about the same as well
2. Another [BBC article](http://www.bbc.com/news/uk-43315636) detailing the timeline of political events.