Separating those forms of uranium from each other would be difficult, because they are chemically identical.

Gradually it became clear that all these factors were chemically identical, and the single name, folic acid, was coined.

All they need to do is demonstrate that their drugs are chemically identical to the branded products and act the same way in the body.

Analysis later showed that it was chemically identical to Styroloxyd.

This is difficult because the two types of uranium are chemically identical.

Oh, I know the synthohols are chemically identical.

Some question whether they are chemically identical to the approved drugs.

Since it is chemically identical to the most common isotope, uranium-238, and has almost the same mass, it proved difficult to separate.

The chemically identical uranium-235 has to be physically separated from the more plentiful isotope.

The fatty acids from each source are chemically identical.