Tile Adhesive reaction to Lino adhesive

I've recently pulled up about 10sqm of 20 year old lino on a concrete slab using a heat gun and a scrapper.

The concrete slab is basically flat and even now, however there is visibly a lot of old blackened lino adhesive on the concrete.

I heard that modern tile adhesives will react with this glue over time, and may cause the tiles i'm planning to lay to come loose. Can anyone confirm/deny this?

What do people suggest to remedy this problem? Do i need to get a concrete sander, or some type of membrane to coat the glue?

Any help appreciated.

Peter


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