Carl Wilhelm Scheele

The acid of milk is a peculiar acid, different from all others hitherto known.

I have also found that this acid is present in sour milk.

The acid of apples, or malic acid, is a distinct acid.

I have discovered a new acid in the juice of lemons, which I call 'citric acid'.

The acid of lemons is a peculiar acid, different from all others.

I have discovered a new acid in the juice of gallnuts, which I call 'gallic acid'.

The acid of gallnuts is a peculiar acid, different from all others.

I have discovered a new acid in the juice of cranberries, which I call 'benzoic acid'.

The acid of cranberries is a peculiar acid, different from all others.

I have discovered a new acid in the juice of sorrel, which I call 'oxalic acid'.

The acid of sorrel is a peculiar acid, different from all others.

I have discovered a new acid in the juice of plums, which I call 'tartaric acid'.

The acid of plums is a peculiar acid, different from all others.

I have discovered a new acid in the juice of grapes, which I call 'tartaric acid'.

The acid of grapes is a peculiar acid, different from all others.

I have discovered a new acid in the juice of sugar, which I call 'saccharic acid'.

The acid of sugar is a peculiar acid, different from all others.

I have discovered a new acid in the juice of uric acid, which I call 'uric acid'.

The acid of uric acid is a peculiar acid, different from all others.

I have discovered a new acid in the juice of prussic acid, which I call 'prussic acid'.