analyte

As a verb analyse

is .

As a noun analyte is

(analytical chemistry) any substance undergoing analysis.

As nouns the difference between sample and analyte

is that sample is a part of anything taken or presented for inspection, or shown as evidence of the quality of the whole; a specimen; as, goods are often purchased by samples while analyte is any substance undergoing analysis.

As a verb sample

is to make or show something similar to; to match.

As nouns the difference between analyte and complexometry

is that analyte is (analytical chemistry) any substance undergoing analysis while complexometry is (chemistry) a form of titration in which the titrant forms a complex (usually coloured) with the analyte.