What's the plural form of sulphonation? Here's the word you're looking for.
Answer
The noun sulphonation can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be sulphonation.
However, in more specific contexts, the plural form can also be sulphonations e.g. in reference to various types of sulphonations
or a collection of sulphonations.
Examples
The preparation of indigo extract or indigo carmine from indigo is also a case of sulphonation.
The reduced form is a thioether and is derived from cysteine, whereas the oxidized form is a sulphate ester and is derived from the sulphonation pathway.