Which preposition to use with alkalis

in Occurrences 4%

And when I had tasted the water, I found that it did seem smooth and proper for our intent, as that there did be a verity of an alkali in it.

of Occurrences 3%

The narcotic principle of the first two, the alcoholic principle of the fourth, and the mucilage, nutriment, acid, and alkali of the rest, are in the way; for thirst would be quenched still better without them, even when it is of an unnatural kind.

for Occurrences 1%

When fermented, it furnishes the means of intoxication; and when the fibres are burned, their ashes supply an alkali for making soap.

into Occurrences 1%

Neither did I put any soda or other acid or alkali into my bread.

to Occurrences 1%

Before a truly passionate feeling can exist, something is necessary that is perhaps best expressed by a metaphor in chemistrynamely, the two persons must neutralise each other, like acid and alkali to a neutral salt.

Which preposition to use with  alkalis