isopyknic

i·so·pyk·nic

(ī'sō-pik'nik),
Having the same density.
[iso- + G. phknos, thick, dense, + -ic]
References in periodicals archive ?
01M, 10 mL), nitric acid(mixed with isopyknic de-ionized water, 3 mL), and de-ionized water (15 mL).