The Wordsmith Dictionary

Exact matches only Allow stemming Match all embedded

English-Thai Dictionary

quartation

N วิธี แยก ธาตุ เงิน โดย ใช้ กรดกำมะถัน

Webster's 1828 Dictionary

QUARTATION

n.In chimistry and metallurgy, the operation by which the quantity of one thing is made equal to the fourth part of another thing.

Webster's 1913 Dictionary

QUARTATION

Quar *ta "tion, n. Etym: [L. quartus the fourth: cf. F. quartation. So called because usually enough silver is added to make the amount of gold in the alloyed button about one fourth. ] (Chem. & Assaying )

Defn: The act, process, or result (in the process of parting ) of alloying a button of nearly pure gold with enough silver to reduce the fineness so as to allow acids to attack and remove all metals except the gold; -- called also inquartation. Compare Parting.